6 Common metals and their alloys, namely, common metals in the form of coils, strips or sheets; precoated metal in the form of sheets, coils and strips for further manufacture, building and construction; precoated metal building materials, namely, coated sheet metal for roofing and walls; prepainted metal in the form of sheets, coils and strips for further manufacture, building and construction; prepainted metal building materials, namely, painted sheet metal for roofing and walls; steel metal in the form of sheets, coils, strips, plates, bars, rods, slabs and ingots; metal roof and wall cladding, metal ceiling battens, metal roof trusses, metal structural decking, metal form work and reinforcing materials for building, namely, rods, plates and bars; metal wire mesh; steel in expanded metal form; metal rainwater products, namely, fascias, guttering, ridgecapping, downpipes and metal rainwater tanks; metal building frames, framing sections and parts therefor for houses and commercial buildings; transportable buildings of metal; metal fencing materials, namely, posts and panels; pipes and tubes of metal; metal fasteners, namely, brackets, clips and clamps