6
Common metal and their alloys; metal building materials; shingle, tiles, pipes and tubes of metal, pipes for individual, collective and industrial buildings, gutters, water-pipes, down spouts, roofing, profiles, plates, door and window frames, door cases, angle irons, windows, doors and shutters; transportable buildings of metal; materials of metal for railway tracks; metallic non-electrical cables and wires; small items of metal hardware, namely screws of metal, cotter pins, nails, hooks, pipe and tube clamps, adjustable sockets for fastening screws, safes; framework of metal for building, ladders of metal, gutters of metal, channels of metal, pipework of metal, junctions of metal for pipes, gratings of metal, door frames, window frames, guardrails, skylights of metal
19
Building materials (non-metallic), namely grilles, railings, skylights, rafters, framework, shingle, tiles, wood panelling; transportable buildings, ceilings, coverings for building, door frames, window frames, door panels, coverings for building, folding doors, shutters, building timber, wall claddings for building, tiles for building, paving slabs, asphalt, pitch and bitumen, gutters, channels, down spouts, roofing, chassis and door cases, angle irons, windows, gutters not of metal, channels not of metal, down spouts not of metal, drainpipes not of metal
37
Building construction, repair; installation services; laying of building materials, insulators, rental of construction equipment, construction information, repair, building construction supervision, building construction, scaffolding, damp-proofing, insulation services (construction), cleaning of buildings, pipework, gutters, channels, roofing, chimney sweeping, painting, interior and exterior