Architectural metalwork; Door bolts of metal; Door fasteners of metal; Door fittings of metal; Door handles of metal; Door panels of metal; Door springs of metal, non-electric; Doors of metal; Fittings of metal for windows; Foot-operated door openers of metal; Hinge pin door closers of metal; Hinges of metal; Latch bars of metal; Latches of metal; Metal chains; Metal door units; Reinforcing materials of metal for building; Runners of metal for sliding doors; Metal window fittings