Chromium; Cast iron; Cast steel; Common metals and their alloys including stainless steel; Common metals and their alloys, unwrought or semi-wrought; Fittings of metal for furniture; Hardware mounting system comprised of metal brackets for bath accessories and decorative hooks; Metal fasteners, namely, bolts, nails, rivets, screws; Metal locksets; Metal threaded fasteners; Nickel and its alloys; Non-ferrous metals and their alloys; Pig iron; Roofing of metal, incorporating solar cells; Screws...