6 Common metals and their alloys including stainless steel; steel, namely, unwrought, semi-wrought, stainless steel, carbon steel, coated steel, coated quenched steel, chromium steel, galvanized steel, electrogalvanized steel, lacquer coated steel, coloured steel and aluminum-coated steel; cast iron, unwrought or semi-wrought iron; scrap metal in the nature of waste iron; cast iron; iron, namely, tinplate, direct-reduced iron and directly reduced iron; metal ores, namely, crude or processed ores; metal reinforcement materials for building purposes; laminated or sectional metal building materials, such as heavy sections, steel sections, joists, sheet piling and girders; metal casting forms for concrete; metal covering plates for construction; floors of metal, floor tiles of metal, partitions of metal, metal multi-layered panels, building construction materials, namely, metal claddings and covers; transportable buildings of metal, namely, metal shelters and parts of shelters, shaped structures of metal, shaped metal parts for making windows, French windows, atrium windows, bow windows, porches, and conservatories, greenhouse frames of metal, greenhouses of metal, transportable; window frames and storm windows of metal, door frames and doors of metal; French windows of metal; materials of metal for railway tracks, rails and component parts thereof; non-electric cables and wires of common metal, soldering wire and barbed wire of metal; building construction material, namely, metal pipes and tubes, flexible metal hose fittings; hardware of metal, small; metal gratings and grilles of metal; fences of metal, wire mesh and cloth; scaffolding of metal; metal hardware, namely, springs; bolt and nail industry products of metal, namely, bolts; sheets and plates of metal, multi-layered sheet metals; armor plating; ferrules of metal; frames of metal for building; metal tanks and containers; boxes of metal of common metal, sealing caps and rings of metal; packaging of common metal and tinplate; iron and steelworks products for foundry use, namely, billets, sheets and plates of metal, plates, foils, strips, blanks, binders, spools, shaped strips, bars, beams, girders, strips, pins, tubes, wire, cables, blocks, ingots and forging ingot; balls of steel; iron slabs; heavy metal products, namely, forged, molded, cast, die-cast, pressed, welded or machined metal pieces