Common metals and their alloys; metal sheet, coil and strip; metal building materials; metal roof and wall cladding, ceiling battens, trusses, purlins, structural decking, metal formwork and reinforcing materials for buildings, metal mesh, expanded metals, facias, guttering, ridge capping, downpipe and metal rainwater tanks; metal building frames, framing sections and accessories thereto for houses and commercial buildings, transportable buildings of metal; metal fencing materials; metal channels, metal angles; knobs, bolts, nuts, screws, rivets, nails, brackets, clips and clamps, all of metal; non-electric cables and wire of common metal; pipes and tubes of metal