Aluminium alloys; Aluminium and its alloys; Brackets of metal for furniture; Clevis fasteners made of metal; Clips of metal for cables and pipes; Common metals and their alloys including stainless steel; Construction elements made of metal, namely, supports; Fittings of metal for compressed air hoses; Metal hooks; Metal joinery fittings; Metal pipe couplings; Metal shelf brackets; Stainless steel; Zinc and its alloys