Installation, maintenance and repair of heating, ventilating and air conditioning equipment.

Welding and gas cutting machines and apparatus, gas torches for welding and cutting, pressure regulators for welding and cutting machines; Machines and machine tools, namely: positioners and turning gear, welding and gas cutting benches; Electric welder; Mechanical welding stations; Laser equipment being machines for cutting and welding, including for the machining of materials; Gas cutting machines and guide machines for use in cutting and assembly processes; Mechanical apparatus and devices for machining by means of soldering or gas cutting; Resistance welding machines; Industrial robots, including for cutting and assembly of materials; Plasma cutting apparatus; Clamping devices for machined parts; Machines and apparatus for manufacturing welding electrodes; Safety devices for preventing blowback when welding and cutting, in particular anti-blowback flaps; Compression apparatus; Welding tools; Hand-held blow pipes, torches and electrode holders for welding, cutting and metalworking; Non-electric welding stations; Cutting and electric arc welding apparatus, electric soldering stations, soldering electrodes; Blow pipes for electric arc welding and cutting; Electric arc welding and/or cutting apparatus and instruments, including torches; Plasma welding apparatus, including torches; Stations for arc welding under flux with blow pipes and burners; Electric cutting apparatus; Welding electrodes; Tools for welding and cutting of metals; Hand-held blow pipes, torches and electrode holders for welding, cutting and metalworking; Non-electric welding stations.

Hand tools and implements (hand-operated).

Scientific apparatus and instruments (not for medical purposes), optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; Scientific, measuring and checking apparatus and instruments for the supply and distribution of chemical preparations, gases and gas mixtures; Machines, apparatus and devices of a mechanical nature for measuring gases and gaseous mixtures; Regulators, flowmeters, liquid level controllers for filling, storage and distribution of gases; Dispensing apparatus for gases; Pressure indicators; Apparatus and instruments for the detection of gases; Pressure measuring apparatus; Apparatus for analysis and screening of leaks; Spectral gas analysers; Pressure regulators; Chemical apparatus using gases for inerting operations; and parts and fittings for all the aforesaid goods; Electric power supply equipment for electric arc welding stations and cored welding wires; Devices for measuring and monitoring welding and cutting techniques; Thyristor welding current controllers; Equipment and clothing for safety and protection, in particular welding masks, protective or safety goggles, clothing for protection against accidents, irradiation and fire, gloves for protection against accidents; Software; Data carriers for automated reading and software therefor; Data processing apparatus and computers; Programming stations consisting of computers and information supports, in particular for use in mechanical cutting and welding; Electrotechnical and electronic apparatus and equipment for process monitoring and process control, for the collection, processing and output of data; Flowmeters.

Assistance, installation and maintenance of welding and cutting equipment.

Treatment of materials; Information on the treatment of materials; Treatment of material surfaces; Welding, gas cutting, coating and associated techniques; Cutting of concrete and stripping with blow pipes; Cold pre-shrinking of parts of metal, finishing treatment and application of solids, liquids and gases; Air freshening; Air purification and regeneration; Capture and treatment of fumes and dust; Services provided during the manufacturing process of any kind of goods, other than buildings, in particular in the development and moulding of metals.

Providing of training, instruction and teaching in the field of welding and cutting.

Scientific and industrial research, computer programming in the field of welding and cutting; Engineering and consultancy for the improvement and optimisation of the use of welding and cutting equipment and tools.

Welding and gas cutting machines and apparatus, gas torches for welding and cutting, pressure regulators for welding and cutting machines; Machines and machine tools, namely: positioners and turning gear, welding and gas cutting benches; Electric welder; Mechanical welding stations; Laser equipment being machines for cutting and welding, including for the machining of materials; Gas cutting machines and guide machines for use in cutting and assembly processes; Mechanical apparatus and devices for machining by means of soldering or gas cutting; Resistance welding machines; Industrial robots, including for cutting and assembly of materials; Plasma cutting apparatus; Clamping devices for machined parts; Machines and apparatus for manufacturing welding electrodes; Safety devices for preventing blowback when welding and cutting, in particular anti-blowback flaps; Compression apparatus; Welding tools; Hand-held blow pipes, torches and electrode holders for welding, cutting and metalworking; Non-electric welding stations; Cutting and electric arc welding apparatus, electric soldering stations, soldering electrodes; Blow pipes for electric arc welding and cutting; Electric arc welding and/or cutting apparatus and instruments, including torches; Plasma welding apparatus, including torches; Stations for arc welding under flux with blow pipes and burners; Electric cutting apparatus; Welding electrodes; Tools for welding and cutting of metals; Hand-held blow pipes, torches and electrode holders for welding, cutting and metalworking; Non-electric welding stations.

Hand tools and implements (hand-operated).

Scientific apparatus and instruments (not for medical purposes), optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; Scientific, measuring and checking apparatus and instruments for the supply and distribution of chemical preparations, gases and gas mixtures; Machines, apparatus and devices of a mechanical nature for measuring gases and gaseous mixtures; Regulators, flowmeters, liquid level controllers for filling, storage and distribution of gases; Dispensing apparatus for gases; Pressure indicators; Apparatus and instruments for the detection of gases; Pressure measuring apparatus; Apparatus for analysis and screening of leaks; Spectral gas analysers; Pressure regulators; Chemical apparatus using gases for inerting operations; and parts and fittings for all the aforesaid goods; Electric power supply equipment for electric arc welding stations and cored welding wires; Devices for measuring and monitoring welding and cutting techniques; Thyristor welding current controllers; Equipment and clothing for safety and protection, in particular welding masks, protective or safety goggles, clothing for protection against accidents, irradiation and fire, gloves for protection against accidents; Software; Data carriers for automated reading and software therefor; Data processing apparatus and computers; Programming stations consisting of computers and information supports, in particular for use in mechanical cutting and welding; Electrotechnical and electronic apparatus and equipment for process monitoring and process control, for the collection, processing and output of data; Flowmeters.

Assistance, installation and maintenance of welding and cutting equipment.

Treatment of materials; Information on the treatment of materials; Treatment of material surfaces; Welding, gas cutting, coating and associated techniques; Cutting of concrete and stripping with blow pipes; Cold pre-shrinking of parts of metal, finishing treatment and application of solids, liquids and gases; Air freshening; Air purification and regeneration; Capture and treatment of fumes and dust; Services provided during the manufacturing process of any kind of goods, other than buildings, in particular in the development and moulding of metals.

Providing of training, instruction and teaching in the field of welding and cutting.

Scientific and industrial research, computer programming in the field of welding and cutting; Engineering and consultancy for the improvement and optimisation of the use of welding and cutting equipment and tools.