Common metals and their alloys, also in the form of bands, sheets, foil, profiles, rails, tubes, rods, joists, posts; aluminium bands; coils of aluminium and other rolls of aluminium; transportable buildings of metal; aluminium building materials; metal building materials; common metals in the form of bands, sheets, profiles, panels, rods, or posts, either with or without an organic or metal coating, for the panelling of (outside) walls and roofs; roof covering material of metal; profiled metal sheets or panels, either with or without an organic or metal coating; fastening materials of metal for panels and for building purposes