Runners of metal for sliding doors; Common metal drawer pulls; Metal threaded fasteners; Fittings of metal for rigid pipes; Metal trestles for use in construction; Fittings of metal for pipes; Ducts of metal for ventilating and air-conditioning installations; Clips of metal for tubes; Gate handles of metal; All-purpose metal straps; Metallic moulds for metal casting; Metal bed fittings; Metal pipe couplings and joints; Metal runners for sliding doors; Alloys of common metal