ECC

Class [19]
Non-Metallic Building Material Products

Precast concrete building materials; reconstituted stone walling blocks and roofing slates; aggregate concrete blocks; garden walling and paving; concrete block paving; surface water drainage systems; hydraulically pressed paving; pre-stressed concrete floor beams and lintels; street paving and curbs; ponds, birdbaths; aquaria; hard rock; sand and gravel; coated macadam; cut and shaped quarry stone; industrial sands; all included in Class 19.