6
Common metals and their alloys, Building materials and components, Prefabricated house sections, Non-electric cables and wires of common metal, Ironmongery, small items of metal hardware, Pipes and tubes of metal, Safes; Windows and doors, roof coverings, guttering, all the aforesaid goods of metal and not including pumps, flow meters, and parts, fittings and accessories thereof
19
Building materials (non-metallic), natural and artificial stone, transportable homes and prefabricated house sections (not of metal), windows and doors, floor coverings of wood and stone, boards of wood and wood-like materials, impregnated sawn timber, glued laminated timber, wood-composite boards and joinery, non-metallic rigid pipes for building, asphalt, pitch and bitumen, building materials, cement, building lime, mortar, plaster, gravel, tubes of sandstone or cement, prefabricated chimneys, roof coverings, rain gutters
27
Floor coverings, wall hangings (non-textile)
37
Repair of buildings, apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; Building sealing, Asphalting, Elevator installation and repair, Rental of excavators, Construction information, Building construction supervision; Hire of building machinery, Irrigation devices installation and repair, Burner maintenance and repair, Roofing services, Building insulating, Boiler cleaning and repair, Burglar alarm installation and repair, Electric appliance installation and repair, Interference suppression in electrical apparatus, Furniture maintenance, Furnace installation and repair; Safe maintenance or repair, Cleaning of buildings (interior and exterior), Repair of security locks, Repair information, Masonry, Paper hanging, Telephone installation and repair, Cabinet making (repair); Structural and civil engineering; Building and construction of prefabricated houses
42
Architecture, construction drafting and construction consultancy, construction planning