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-condition...