Titanium; Aluminum foil; Brass wires; Copper pipes; Copper, unwrought or semi-wrought; Hardware, namely, metal brackets for general use; Iron slabs; Iron, unwrought or semi-wrought; Metal profiles made of steel, iron, nickel, titanium and other metals and their alloys; Pipe tubes of metal; Solder wire; Steel pipes; Steel sheets; Titanium and its alloys; Wire fences