Air-conditioning ducts of metal; Casters of metal for furniture; Ceiling supports of metal; Construction elements made of metal, namely, supports; Door fittings of metal; Door handles of metal; Door stops of metal; Fittings of metal for beds; Handrails of metal; Hinges of metal; Latches of metal; Metal chains; Metal hinges; Metal hooks; Metal shelf brackets; Metal tubing; Poles of metal; Rails of metal; Ring-shaped fittings of metal; Tool boxes of metal