Metals and their alloys; building materials made of metal, namely, brackets, pipes, tanks, metal plates, metal supports, roofing and wall beams and plates, metal panels, raceways and protective metal coverings, metal building panels, valves and valve housings, metal valve couplings and connectors, pre-fabricated and on-site fabricated metal buildings and structures; non-electric cables and wires of common metal; ironmongery, namely forged and cast metal parts of iron and other common metals f...