Signboards of metal; barrels of metal; steel sheets; colored steel sheets; color-coated steel sheets; steel sheets for ink jet printers; galvanized steel sheets; unwrought steel; unwrought or semi-wrought steel; unwrought or semi-wrought iron; alloys of common metal; alloyed steels; alloyed iron; stainless steels; unwrought or semi-wrought non-ferrous metals; non-ferrous metals and their alloys; nickel and its alloys; magnesium and its alloys; zinc and its alloys; titanium and its alloys; mat...