6
Metal building materials; metallic pipes and tubes; transportable buildings of metal; goods of common metal, included in class 6; semi-finished products of aluminium and aluminium alloys in the form of blocks, slabs, sheets, bands, foils, rods, pipes and other profiles, including combined with other materials, in particular plastics; building slabs, sandwich boards, panels for roofing and for interior and exterior cladding of buildings, partitions; panels for side walls, roofing, doors, panels for interior decoration, façade construction, interior cladding, numberplates, signalling panels, non-luminous and non-mechanical, and road signs (all the aforesaid goods of metal and/or combined with plastic)
17
Plastics in extruded form for use in manufacture
19
Building materials (non-metallic); non-metallic rigid pipes for building; non-metallic transportable buildings; Panels, bands, foils, profiles of plastic combined with aluminium or aluminium alloys; building boards, sandwich boards, panels for roofing and for the interior and exterior cladding of buildings, partition panels, panels for side walls, roofing, doors, panels for interior decoration, façade construction, interior cladding, numberplates, signalling panels, non-luminous and non-mechanical, and road signs (all the aforesaid goods of plastic and/or combined with metal)
20
Furniture and parts therefor; numberplates, not of metal and/or combined with metal