6 Common metals and their alloys, in particular zinc, titanium zinc, zinc alloys, titanium zinc alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; semi-finished goods and goods of metal and their alloys, in particular of zinc, titanium zinc, zinc alloys, titanium zinc alloys, namely, pipes, gullies, roof kerb weathering, roofing assemblies, roofing sheets, wall coverings, eaves sheets, window sills, facade claddings; metal hardware; metals; wrought common metals; raw base metals; slabs of common metal; fasteners of common metal; alloys of metal; zinc and its alloys; common metals and their alloys including stainless steel; alloys of metal containing calcium and aluminium; zinc; metal hardware; small items of metal hardware; roofing sheets of metal; roof angle irons; metallic gutters; roofing plate of metal; metal roofing hips; metal roofing; roofing tiles of metal; roof coverings of metal; roof gutters of metal; roof ridges of metal; metal beams; roofing panels of metal; soffits (metal -); tiles of metal; roof windows of metal; metal roof trusses; metal roof trusses; roof components of metal; tiles of metal; roofs of metal for structures; roof flashings of lead; metal roofing hips; metal roofing; gutter supports of metal; metal roof vents; metal roof vents; roof windows of metal; dome shaped skylight windows (metal -); cladding panels of metal for roofing; metal roof flashing; roof flashings of aluminium; roofs of metal for structures; dormer vents (metal -); gutter connection pieces of metal; skylights windows of metal for use in buildings; hooks for slate metal hardware; skylight frames (metal -) for use in buildings; roofing of metal, incorporating solar cells; building structures of metal; transportable structures of metal; drains made of metal; metal alloys for further manufacturing; sheets and plates of metal; goods of common metal, namely, cover parts, fastening parts, cover frames, plates, boards, corner pieces, bands, bars and strips, profiled and non-profiled, including surface-treated