Common metals and alloys of common metals; metallic building materials; precoated metal sheet, coil and strip; precoated metal building materials; metal in the form of sheets, coils, strips, plates, bars, rods, slabs and ingots; metal roof and wall cladding, ceiling battens, trusses, purlins, structural decking; metal formwork and reinforcing materials for buildings; metal building frames; metal fencing materials; posts and panels; pipes and tubes of metal