6 Aluminium and aluminium foil; anchors and anchor plates of metal; bolts of metal; brazing alloys; clips, straps and clamps of metal for cables and pipes; common metals and their alloys; copper; Metal building materials, namely, metal fascia, Metal canopies, Metal reinforcement materials for building, metal ceiling boards and floor boards, Ventilating ducts of metal, Metal vent covers for HVAC ducts, Ducts of metal for ventilating installations, Ducts of metal for ventilating and air-conditioning installations, Metal joists, Cladding of metal for building, Building wall framing made of metal, Metal curtain walls, Metal floors, Metal floor tiles, Metal ceiling panels, Ceiling supports of metal; small items of metal hardware, namely, Metal clamps, Cable clamps of metal, Metal threaded fasteners, Threaded metal rods, Metal cable clips, Nails, Rivets, cramps and nails of metal, Metal washers, Metal screws, Metal expanding sleeves for affixing screws, Binding screws of metal for cables, Metal cotter pins, Metal ball lock pins, Metal eye bolts, Metal bolts, Bolt snaps of metal, Anchor bolts of metal for bridge connections, Metal pipe connectors, Structural joint connectors of metal, Metal pipe couplings, Metal expansion joints for piping and ducting; pipes and tubes of metal; ducts of metal for HVAC installations in buildings; cable trays of metal; metal hardware, namely, pulleys; pulleys of metal, other than for machines; metal hardware in the nature of pulleys and springs; metal valves not being parts of machines; load lifting straps of metal; lifting slings of metal for handling loads