Common metals, unwrought or semi-wrought; junctions of metal for pipes; elbows of metal for pipes; valves of metal, other than parts of machines; water-pipes of metal; metal building materials, namely, floor panels, fascia, soffits, ceiling boards and floor boards; wire cloth; screws of metal; ironmongery, namely, metal pins, metal screws, metal springs, metal washers, metal nuts, metal pulleys, double-end swivels; casks of metal.