Common metals and their alloys including aluminium; metal building materials and building products; aluminium building materials and building products; door frames, door surrounds, door cases, door closers, door fittings, and door handles of metal; windows, window frames, window stops, window fasteners and window pulleys of metal; fences and fencing of metal; metal posts, wire, cables, bolts, bars, boards, gates, lintels, rope, wire rope and tiles; roof coverings, roof flashings and roofing of metal; metal fittings; flashing of metal; frames of metal for buildings; palings of metal; partitions of metal; sheets and plates of metal; building boards in this class; panels of metal; wall cladding and cladding of metal for construction and building; and parts and fittings in this class for all the aforesaid goods