Insurance and financing services, leasing, namely with respect to material handling vehicles, hydraulic components and storage technology.

Installation or assembly, repair and servicing of material handling vehicles, hydraulic components and storage technology.

Lending, rental of transport and material handling trucks.

Services of a mechanical engineer and vehicle construction engineer; technicval expertise consultation in all fields of the application of material handling vehicles and storage technology; technical planning and constructing works, basic and detailed engineering (dimensioning and designing) as well as functional test and experimental test in connection with material handling vehicles and storage technology; computer programming for third parties in connection with the mentioned machines and related equipment.

Technical services of an expert or engineer of chemistry or petrochemistry, process engineering, environmental and cryo-technology and industrial gas application technology, in particular customised planning and design based on demand of apparatus, systems and installations of all the aforesaid fields, included in class 42; Technical consultancy in all fields relating to the application of gas, gas treatment and gas generation, petrochemical, chemical and pharmaceutical process engineering, and refrigeration, gas liquefication and cryo-technology, exhaust gas, wastewater and waste engineering; Function tests, conducting of tests and trials in connection with gas technology, cryogenic, chemical, petrochemical, pharmaceutical and environmental protection apparatus and installations, refrigerating and freezing facilities, and cryogenic apparatus; Creation of computer programs, for others, in connection with the aforesaid apparatus, machines and installations and related processes; Engineering consultancy in relation to the providing and storage of production preparations, in particular in relation to gases and chemicals; Technical remote monitoring of the operational state of gas technology apparatus, systems and installations with emergency management therefor.

Forged goods, shaped parts of metal, rolled or cast building components; wire cables for throttle and brake activation in automobiles.

Machine combinations consisting of engine and machine, in particular diesel generator units, diesel pump units, diesel welding units and diesel compressor units; petrol, gas, petroleum, spark-ignition, diesel and electric engines, dynamo machines; hydraulic and pneumatic motors and engines; construction machines, tools and work apparatus with power drives, centrifuges, transport and conveyor apparatus, belts for conveyors, chains for conveyors, lifts, mountings and superstructures for vehicles used in industry, forestry and agriculture, mountings and superstructures for optional attachment to driven machines, in particular fans, fork-lift trucks, front and rear loading vehicles; including all the aforesaid machines and apparatus with automatic or electric controls, and parts for the aforesaid machines and apparatus; driving belts, V-belts, gears, switching and changing apparatus for gears, valve control mechanisms, hydraulic and pneumatic control cylinders; slide valves; load lifting devices; lifting equipment (lift masts) for fork-lift trucks and shovel loaders, hydraulic cylinders for the aforesaid goods; hydraulic cylinders; piston pumps, adjustable and non-adjustable; hydrostatic piston engines, positive-displacement pumps, including gear pumps, regulating mechanisms for hydrostatic pumps and engines; gears consisting of hydrostatic pumps and hydrostatic engines of a disassembled or compact structure, including an axial gear structure; valves for hydraulic installations.

Measuring and monitoring apparatus for diesel engines, cables, batteries, accumulators, plugs, switches and fuses; control mechanisms for fork-lift trucks and shovel loaders and drives therefor; charging apparatus for batteries for vehicles with electric drives; electric, hydraulic or pneumatic control apparatus for hydrostatic gears; control apparatus, including block control apparatus for hydraulic systems; data processing installations and equipment, and computers and computer terminals in connection with the application and use of fork lift trucks, shovel loaders and hydraulic systems; machine-readable data carriers of all kinds containing programs, in connection with the application and use of fork lift trucks, shovel loaders and hydraulic systems; starter batteries, signalling apparatus, indicators, speedometers, fuel gauges.

Land vehicles (except special-purpose vehicles, railway wagons for transporting gases and liquid materials, and refrigerated wagons and refrigerated vehicles, refrigerated containers and refrigerated units therefor); Internal combustion engines for land vehicles; Vehicle parts; automobile accessories; vehicles with mechanical drives, road vehicles for persons and load-bearing, tractor units, tractors with wheel and caterpillar drives, farm tractors, diesel conveyor trucks, mobile workshops for customer services, and for training and inspection, vehicles for laboratory equipment and measuring apparatus, special-purpose vehicles for automobile maintenance, and for the maintenance of agricultural machines and machines for underground excavation, structural engineering and civil engineering; unmanned vehicles, automatic and remote-controlled vehicles and parts for the aforesaid vehicles for the driving, control and remote control thereof; components, accessories and replacement parts for all the aforesaid vehicles, namely bodies, chassis, mudguards, bumpers, vibration dampers, fuel tanks, clutches, brake cylinders, brake linings, bearings, toothed, hydrodynamic and hydraulic gears and parts therefor, cardan shaft and power take-off drives, reciprocating finger bar drives, distributors and differential gears, belt pulleys, radiators, pipework for radiators, silencers, sound dampers, car seats, carburettors, spark plugs, injection pumps for oil and fuel, valves, regulators, dynamos, ignition apparatus, horns, indicators, ventilating and heating installations, windscreens, anti-glare devices of glass, plastic or metal, windscreen wipers, dashboards, cigar lighters, air pumps, jacks, lubricating apparatus, grease guns, oil cans, tyre levers and unfilled tool boxes and first aid boxes; pneumatic tyres and inner tubes; industrial trucks; platform trolleys with and without drive motors, including the aforesaid goods with either piston-type internal combustion engines or battery-powered electric drives; fork-lift trucks, lift trucks, shovel loaders, with and without drive motors, including the aforesaid goods with either piston-type internal combustion engines or battery-powered electric drives, hand-operated lift trucks; pallet and load stackers and commissioner lifting gear, including the aforesaid vehicles being remote-operated, individual parts and replacement parts therefor; hydrostatic piston engines for automobiles; internal combustion engines and electric motors for industrial trucks and vehicles.

Installation, assembly (construction), repair, maintenance and servicing of mobile drive systems (consisting of a primary energy source, mainly a combustion engine or electric motor, and an energy converter, mainly a hydrostatic gear) and industrial trucks.

Leasing of industrial trucks and drive systems; rental of industrial trucks.

Instruction, providing of training and information for personnel of other companies in all fields relating to piston and turbo engine construction, industrial trucks and drive system construction; instruction and providing of training for personnel of other companies, namely drivers of industrial trucks, and salespersons therefor; providing of training for training personnel of other companies and assigning of training personnel for the development, creation and conducting of training courses for specialist practical vocational training in commercial, organisational and technical fields in connection with industrial trucks and drive systems: publication of information texts for the aforesaid training courses.

Development and planning of mobile drive systems (consisting of a primary energy source, mainly a combustion engine or electric motor, and an energy converter, mainly a hydrostatic gear), industrial trucks; design and planning of drive systems (consisting of a primary energy source, mainly an internal combustion engine or an electric motor, and an energy converter, mainly a hydrostatic gear) and control mechanisms, namely control and regulating devices for internal combustion engines, for gear pumps and gear motors, control and distribution devices for pump delivery flows; research and development and engineer services in the aforesaid fields; testing of mobile drive systems and industrial trucks, for others; computer programming, for others, for checking (supervising), regulating and controlling industrial processes and installations/systems in the aforesaid fields.

Delivery and supply, in particular domestic supply, of medical systems, and fuels therefor, namely delivery of equipment and apparatus for medical gas application, in particular respiratory support apparatus and apparatus for inhaling medicines, and supplying, in particular of gases, in particular for respiration therapies, wound healing processes and infusion applications.

Services of doctors and other medical personnel; conducting medical and therapeutic treatments and applications, in particular including treatments and applications at home, in particular therapies and auxiliary applications in the field of respiration; hygienic and beauty care, in particular cold, gas and light therapies.

Gas mixtures for medical purposes, namely oxygen/carbon dioxide and nitrous oxide.

Ironmongery, small items of metal hardware; gas tank installations, refrigerating containers of metal; unwrought and partly wrought common metals; metal flasks for the transport and storage of liquid gases, including storage flasks and dip tanks; enamelled and tin-plated goods for industrial purposes, in particular as fittings for refrigerating furniture and walk-in refrigerators, tin-plated and enamelled containers and tanks for the storage and transport of gases and liquids; blacksmithing, in particular coppersmithing and boiler-making using riveting, autogenous or electric welding techniques; locks, fittings for stoves and refrigerating furniture, wire goods and wire grating, sheet-metal goods, boxes of metal, fruit trays, machined or hand-wrought shaped metal parts, rolled and cast building parts, engineering castings, in particular filters of metal and strainers of metal, and packing articles of metal for material exchange and heat exchange apparatus; foil; goods of nickel and aluminium, namely housing for apparatus, motors, turbines, compressors and pumps; powder cutting and powder stream nozzles; taps and plumbing of metal; plates, supporting grids and basins of metal; apparatus and containers of metal for storing and evaporating liquid gases, compressed gas bottles, pipework of metal, pressure-reducing valves, regulating valves, return valves of metal; containers of metal for storing solid substances; coal-dust silos of metal; advertising and display materials, namely decorative elements, screens, coverings, quick-change picture frames, posters, awnings, information signboards and linings of metal.

Machines or parts of machines for the refrigeration industry, for compressing and liquefying gases; internal combustion engines (other than for land vehicles), parts therefor; cleaning apparatus for nuclear reactors, machines and parts of machines for gas dissociation, and for acetylene installations and for mining, namely pumps, centrifugal pumps, compressors, in particular for compressed air, gas compressors for compressing oxygen, nitrogen, carbon monoxide, mixed gases, hydrocarbons, ammonia, sulphurous acid, chlorine and acetylene, compressors for oil-free compression of air and other gases, dry-running compressors, expansion machines and turbines, generators and ventilators; machines and parts therefor, for extracting carbonic acid from coke, oil and other fuels, and from natural sources and fermentation gases; heat equipment, steam engines and steam turbines; machines for shaping and processing materials, machine tools, in particular lathes, moulding presses, hydraulic presses, sheet-metal processing machines, grinding, drilling and wood-working machines, fast-acting planes and threading machines; pneumatic bottle stretching blocks; conveyor belt tables; expansion machines and turbines; power plants driven by waste heat; cutter machines for the meat processing industry; mixing machines and mills for the food processing industry; packing machines for foodstuffs, in particular for meat and charcuterie; filling machines for foodstuffs, in particular beverages; fans for moving granular and powdered products, gases, liquids and steam; mechanical apparatus for blowing coal dust into cupola furnaces; mechanical apparatus for conveying coal dust; machines for drilling and evaporating; machines for remelting, melting, re-alloying, alloying, engraving, marking and texturing of surfaces; screws; centrifugal separator; apparatus for centrifuging granular material; filters of nickel or aluminium; pump housings and pistons of nickel or aluminium; auxiliary welding apparatus, namely revolving tables, revolving towers, travelling gear, carriages, wire drums, reel stands and reel supports; taps of metal; washing devices; welding blow pipes, welding guns; electric cutters (machines); de-oiling and aerating apparatus; cleaning apparatus for nuclear reactors; apparatus and installations for the production of pharmaceuticals; taps, shut-off, regulating and safety fittings for gas apparatus and pipelines.

Measuring and monitoring apparatus for refrigerators and ice machines, low, medium and high pressure compressors for gases and air; electrodes , filters and contacts of nickel, aluminium, precious metals, of gold, platinum, palladium, silver; physical, chemical, optical and electrical apparatus, surveying, nautical, weighing, signalling, measuring and checking (supervision) apparatus; electrolysers for extracting hydrogen and oxygen, chemical and physical analysis apparatus, wet cleaning apparatus for acetylene plants, high pressure drying apparatus for acetylene isolation, apparatus for automatically adding acetone, automatic apparatus for bottling gas, pulse controlled machines for recording measured data in large-scale oxygen installations, electrically or mechanically operated reading, recording and control apparatus, control cabinets for regenerators, signalling, measuring and checking (supervision) apparatus for refrigerating, gas dissociating and electric welding technology, optical and acoustic signalling apparatus and electric switching apparatus for controlling machines and for welding apparatus, electric, steam, water and gas fittings, in particular manometers, thermometers, gas rate meters, thermostats, voltmeters and ammeters, revolution counting apparatus and transducers; welding and cutting apparatus and automatic welding and cutting machines, and parts and accessories therefor, namely transformers, rectifiers, converters, electric, including the aforesaid goods being remote-controlled, pulse generators, magnets, magnetic amplifiers, high frequency amplifiers, starters, resistances, current relays, electrodes, in particular welding electrodes, welding wires, welding heads, throttles, capacitors, coil formers; movements for clocks and watches and parts therefor, for controlling registering and switching apparatus, gear boxes, time switch and incremental switch systems, switching machines for regenerators, timer switches for defrosting devices, programmable switch systems for freezing processes; plugs, sockets and other contacts, connector strips, commutators; cash registers; electric, hydraulic, mechanical and pneumatic regulating apparatus for hydrostatic gears; apparatus for analysing gases and liquids, flow measuring apparatus; data processing installations and equipment, and computers and computer terminals; programmable apparatus, including programmable apparatus with data output via high-speed printers, for checking (supervising), regulating and controlling industrial processes and installations and for controlling operations; data processing programs on data carriers for checking (supervising), regulating and controlling industrial processes and installations, and for process engineering design and modelling, and the managing of process engineering operations; machine-readable data carriers of all types with programs installed; programming specifications for data processing apparatus on data carriers; respiratory masks, fire-extinguishing apparatus; auxiliary welding apparatus, namely revolving tables, revolving towers, travelling gear, carriages, wire drums, reel stands and reel supports; welding machines, electric; assembled precision-mechanical and electric components for automatic and remote control mechansisms.

Medical and health-care apparatus and instruments, oxygen-supplying apparatus, compressed-air apparatus and vacuum equipment for hospitals, and parts of the aforesaid goods; freezing apparatus for ampoules and stored blood, blood bank refrigerating cabinets for the vibration-free storage of stored blood, blood container transport apparatus, deep-freezes for preserving bone tissue for transplant, cryostats with fitted microtome, nitrous oxide/oxygen analgesic apparatus for dental treatment, for obstetric purposes and for surgical operations; high-performance laboratory centrifuges with cooling devices, refrigerating cabinets for medical stations, special-purpose refrigerating apparatus for forensic medical and anatomical institutes, apparatus for reducing, metering and checking bubbling compressed oxygen for medical oxygen baths; medicine vaporisers for inhalation therapy, oxygen apparatus for intra-arterial insufflation, oxygen anaesthetising apparatus for artificial respiration, apparatus for resuscitating and supplying oxygen to accident victims, mask-type inhalation apparatus and parts therefor, including condensation masks, insufflation goggles, nasal catheters, frontal supports, face tents and oxygen hoods; electrically cooled oxygen tents, transport incubators; wheeled and portable apparatus for supplying oxygen for medical purposes.

Equipment and apparatus for lighting, heating, cooking, refrigerating, drying and ventilating; filament lamps, signalling lamps, tubes for fluorescent lamps, shelf lighting, floor and rear wall lighting, spotlights, information lights, pilot lamps; steam or electrically operated air and gas heaters, stoves, oil stoves and parts and accessories therefor, namely burners, floats, regulating devices, draught regulators, oil tanks, glass panes, wire grating, cladding, plates, supporting grids and basins of plastic; heat exchangers, evaporators, cold steam compressors, condensers for refrigeration technology and gas dissocation, cooling towers, water recooling devices; transport refrigerating apparatus, refrigerating containers for refrigeration technology fittings, freezing apparatus for frozen preserves, and for storing meat, fish and whale meat; freezing apparatus connected with humidifying apparatus, in particular for large walk-in refrigerators for abattoirs and cold stores; dry ice machines, air-conditioning apparatus for test rooms, measuring rooms, laboratories and small spaces, including conference rooms, offices and living areas, and for crane cabs and rolling mill control cabs; aeration apparatus for mining operations; sausage drying apparatus, wet and dry air coolers, special refrigerating apparatus for industrial development and scientific research; gas and air dissocating apparatus, gas liquefying and gas purification apparatus, apparatus for the cold reduction of gases and parts of the aforesaid goods, in particular rectifying columns, regenerators, adsorbers, separators, scrubbing towers, bases and trays; apparatus for the dissociation, purification, washing, liquefying and re-evaporation of gases, petroleum fractions, refinery gases, natural gas, apparatus for cracking liquid and gaseous hydrocarbon mixtures, apparatus for generating synthetic gases and artificial natural gas, apparatus for liquefying carbon and for reducing carbon to gas, reactors for chemical reactions, machines for liquefying gas; refrigerating installations connected with humidifying apparatus for preserving foodstuffs, air-conditioning installations, ventilation installations, sausage drying installations, refrigerating and drying apparatus, transport refrigerating apparatus, refrigerating containers and refrigerating devices therefor, refrigerating furniture of all types for refrigerating and cooling goods, in particular cabinets, sideboards, display cabinets, furniture and equipment for walk-in refrigerators, fixed and movable, refrigerated and unrefrigerated containers for the gas-controlled storage of foodstuffs, refrigerating cabinets for the household and industry, refrigerating furniture for self-service establishments, furniture with refrigerating apparatus for storing foodstuffs, luxury items and other goods; communal freezing apparatus and refrigerators, refrigerating furniture, in particular freezer chests, freezer chests with circulation, refrigerated display cases, refrigerated sideboards, including the aforesaid goods being combinations, including counters for refrigerating milk with display tops and dispensing devices, refrigerated sideboards with grill area, and parts therefor, in particular moving and rotating parts and accessories therefor, namely plates, supporting grids and basins, dismountable and transportable cold boxes and freezer boxes, towers with thermal insulation, temperature regulators, electric lighting, doors, fittings, decorative coverings, mirrors; ice-makers; high-speed freezing units, freezer tunnels, quick-freezers; apparatus for precipitating impurities from gases by refrigeration; tubular and rotary drum dryers; burners for gaseous, liquid and solid fuels; mountings for burners; taps, shut-off, regulating and safety fittings for gas apparatus and pipelines; suction apparatus for gases; rotary tubular reactors and fluidised bed reactors; tubular reactors for conducting catalytic and non-catalytic chemical reactions; reactors for reacting hydrogen sulphide with sulphur dioxide to give elemental sulphur; fixed-bed reactors for waste water technology; semi-permeable membranes for dissociating and purifying gases and liquids, being parts of filtering apparatus; air heaters; industrial furnaces for the chemical and petrochemical industries; heat treatment furnaces, in particular roller hearth furnaces, batch feed furnaces and continuous furnaces; apparatus for flushing installations in the chemical and petrochemical industries with gases and liquids; filters of nickel or aluminium; lighting installations.

Land vehicles, namely special-purpose vehicles, and railway wagons for transporting gases and liquid materials, and refrigerated vehicles and refrigerated wagons, essential parts therefor, namely transport containers, refrigerated containers and refrigerating equipment therefor; special-purpose motor vehicles and freight wagons for transporting gases and liquid materials; shopping trolleys.

Furniture with refrigeration technology fittings and attachments; furniture, mirrors, picture frames; equipment for retail and self-service establishments, in particular islands, gondolas, racks, showcases, counters (in particular display counters and solid counters), chests, cash desks, tables for cash registers, packing tables, platforms for moving belts, cash desk chairs, doors for furniture, including doors of glass for furniture, cartridges, drawers, packing slides, brackets and trays for displaying goods, advertising panels, partitions, mirror panels, angled trays, hook supports, suspension hooks, step insets, stands and trays for wine bottles, postcard holders, holders, gift paper holders, swing-out trays, special-purpose inserts, flower pots, waste containers, shopping baskets, apparatus for tearing off paper, price labels, price label strips, price label holders, price label stands and rails for price labels, holders and boards for displaying prices, pin-on labels and inlay strips; storage devices, namely racks for goods and pallets, racks for files and documents; advertising and display materials, namely decorative elements, screens, coverings, changing frames, posters, awnings, information signboards, linings of wood, plastic, glass; protective containers and transport containers of wood for instruments, apparatus and machines; goods of turned wood, namely handles for tools and apparatus; faucets of wood; containers, receptacles and closures of plastics, in particular of protein, casein and polystyrene; containers of plastic for storing gases, in particular gas bottles; containers, receptacles and closures of plastics, in particular of protein, casein and polystyrene; faucets of plastic; trickling and dipping filters of plastic, packing bodies and blocking elements of plastic for waste water reactors.

Installation, assembly (construction), repair, servicing and maintenance of industrial installations, refrigerating installations, machine installations, heat pumps, energy recovery installations (mainly consisting of recuperative furnaces, expansion machines, compressors, pumps, control mechanisms and pipelines), of ventilating and air-conditioning installations, refrigerated and unrefrigerated equipment for retail establishments, refrigerating and freezer cells, of equipment for storing gas supplies, and for supplying gas for protective gas welding (mainly consisting of gas containers, including containers for liquefied gases, evaporators, compressed-gas bottles, pumps, fittings and pipelines), of equipment, namely welding and cutting torches, of apparatus for introducing gases into any media for refrigerating and/or generating a particular atmosphere, of apparatus for refrigerating and/or storing objects at low temperatures using cold or liquefied gases and cold-crushing installations, for applications relating to gases, of installations for treating waste water and equipment for the measurement and regulation thereof, of installations for injecting oxygen, inert gases and solid materials into molten metals, and for agitating molten metals and installations for the artificial breeding and intensive farming of fish (mainly consisting of containers for liquids, gas containers, including containers for liquefied gases, apparatus for introducing gases into liquids, fittings and pipelines); construction of pipelines, pressure testing and evacuation of pipelines using inert gases; removal of plastic floors; construction of pharmaceutical installations; installation, assembly, repair, servicing and maintenance for others, of tubular reactors, industrial furnaces and heat treatment furnaces, of metallurgical installations and of equipment for blowing coal dust into cupola furnaces, and for cooling metallurgical furnaces, of cutter machines for the meat processing industry, packing machines for foodstuffs, in particular meat products and charcuterie, filling machines for foodstuffs, in particular beverages, and mixing machines and mills for the food processing industry, of machines for drilling, evaporating and the treating of surfaces, refrigerating, drying and flushing of installations in the chemical and petrochemical industries with gases and liquids, of data processing installations, computers, monitoring, regulating and control apparatus; concrete cleaning; blast-cleaning of pipelines and pipeline systems for others; checking (supervising) and co-ordination of the installation, assembly, repair and maintenance of industrial installations by a general contractor.

Leasing of refrigerating installations; rental and loan of refrigerating installations, liquid gas tank vehicles, stationary liquid gas tank installations, gas bottles, equipment for storing gas supplies, apparatus for introducing gases into any media for refrigerating and/or generating a particular atmosphere, apparatus for refrigerating and/or storing objects at low temperatures using cold or liquefied gases and cold-crushing installations; rental of walk-in refrigerators; packing, repacking and portioning of foodstuffs for others.

Providing of training and information for personnel from other businesses in all fields pertaining to the use of industrial gases, in particular for protective gas welding, process engineering, refrigeration and air-conditioning engineering, heat pumps, energy recovery installations, installation engineering, waste water engineering and fish farming, and for operating waste water treatment installations and installations for the artificial breeding and intensive farming of fish; providing of training for personnel of other businesses, namely refrigeration engineers, drivers of special-purpose vehicles, and salespersons; providing of training for training personnel from other businesses and assigning of training personnel for the development, creation and conducting of training courses for specialist practical vocational training in commercial, organisational and technical fields at teaching institutes, vocational training centres, crafts schools, engineering schools and DVS training centres, and the publication of information texts for the aforesaid training courses; training and conducting of education events and publication of instructional material and books in the fields of metallurgy, metal treating, in particular the heat treatment of workpieces of metal, thermal spraying and the laser treatment of materials.

Leasing and rental of air-conditioning installations, installations for supplying gas for protective gas welding, and installations for the artificial breeding and intensive farming of fish; rental of apparatus for applications relating to gases; development and planning of industrial installations, refrigerating installations, machine installations, heat pumps, energy recovery installations (mainly consisting of recuperative furnaces, expansion machines, compressors, pumps, control mechanisms and pipelines), of ventilating and air-conditioning installations, refrigerated and unrefrigerated equipment for retail establishments, refrigerating and freezing furniture, refrigerating and freezer cells, of equipment (mainly consisting of gas containers, including containers for liquefied gases, evaporators, compressed-gas bottles, pumps, fittings and pipelines), for storing supplies of gases and equipment, namely welding and cutting torches, apparatus for introducing gases into any media for refrigerating and/or generating a particular atmosphere, apparatus for refrigerating and/or storing objects at low temperatures using cold or liquefied gases and cold-crushing installations, for applications relating to gases and injection lances, of installations for clarifying waste water and equipment for the measurement and regulation thereof, mobile testing installations for determining design parameters, apparatus for introducing oxygen into waste water, installations (mainly consisting of containers for liquids, gas containers, including containers for liquefied gases, apparatus for introducing gases into liquids, fittings and pipelines) for the artificial breeding and intensive farming of fish, of apparatus for protective gas welding and installations for adding solid materials to molten metals and for the gasification of molten metals, in particular for lowering the silicon content and increasing the temperature of molten metals; development of processes for clarifying waste water, for introducing oxygen into waste water, for the artificial breeding and intensive farming of fish, for the use of oxygen in fish breeding and in the intensive farming of fish, for protective gas welding, for adding solid materials to molten metals and for the gasification of molten metals, in particular for lowering the silicon content and increasing the temperature of molten metals; computer programming for others for commercial accounting and statistics, for process engineering operations, for engineering planning and for materials management; engineering and studies, in particular for protective gas welding, waste water problems and the artificial breeding of fish; consultancy in energy management matters, consultancy for authorities in safety engineering matters, technical consultancy in the field of the transport of liquid gases, the artificial breeding and intensive farming of fish, and the application of fish breeding processes, the adding of solid materials and gases to molten metals, and the use of injection lances, the construction of drive systems and control mechanisms, and for special waste water treatment processes, technical consultancy for specialists from other businesses in the field of protective gas welding, technical consultancy in and development of processes for the dissociation, purification and liquefying of gases, the splitting of hydrocarbons and the processing of the split products, for welding technology and applications relating to gases; material testing (for others); testing of machines for others, in particular testing of injection lances; conducting tests for other in the fields of; welding, protective gas welding, metal annealing, cold-crushing, deflashing of plastic mouldings, refrigeration and air-conditioning engineering, heat application and energy recovery, purifying and treating of waste water, adding solid materials and gases to molten metals, and using injection lances, artificial fish breeding and intensive farming of fish, and the use of oxygen in the breeding and intensive farming of fish; research in the field of the development of protective gas welding processes and improving the working conditions for welders; research, consultancy, technical and specialist expertise, development of operations and engineer services for others in the fields of thermal spraying, metallurgy, blowing coal dust into cupola furnaces, and the cooling of metallurgical furnaces, metal treating, in particular heat treatment, including carbonising, annealing, bright-annealing, annealing in a decarbonising medium, sintering, sintering on, powder sintering, tempering, brazing and malleablising of metal workpieces, the laser treatment of materials, the refrigeration and/or freezing of objects, in particular foodstuffs, and the use of gases, including liquid gases, in refrigerating and/or freezing, the decontamination of radioactive ground, the processing of foodstuffs and meat at low temperatures and the use of gases in the processing of foodstuffs and meat; development and planning for others and technical consultancy in the operation of tubular reactors, industrial furnaces and heat treatment furnaces, machines and mills for the food processing industry, machines for drilling, evaporating and the treatment of surfaces, data processing apparatus and equipment, computers and computer terminals, programmable apparatus, including programmable apparatus with data output via high-speed printers, for checking (supervising), regulating and controlling industrial processes and installations and for controlling operations; computer programming for process engineering design and modelling, and the business management of process engineering procedures of all kinds.