Aluminum alloy; Bicycle locks; Boxes of common metal; Buckles of common metal; Ceiling boards of metal; Ceiling supports of metal; Crampons for climbing; Door fittings of metal; Door handles of metal; Doors and windows of metal; Electronic safes; Fittings of metal for furniture; Fittings of metal for pipes; Fittings of metal for windows; Hat-hanging hooks of metal; Identity plates of common metal; Iron wire; Ladders of metal; Metal locks; Wrought iron decorative artwork; Metal locks for doors