6 Base metals at least partially with aluminum or an aluminum alloy in unfinished or semi-processed condition, namely iron, steel, nickel, copper, tin or zinc; plates, sheets, panels, strips and foils of base metals, namely aluminum, aluminum alloys, iron, steel, nickel, copper, tin or zinc; aluminum or aluminum alloys as structural elements, namely, aluminum oxide, metal composite plates, panels, lining elements or supporting plates consisting primarily of base metals, namely iron, steel, nickel, copper, tin, zinc, aluminum, or aluminum alloys, all in combination with at least one other material or the series of other base metals, namely, steel or iron, plastics or wood as structural elements; building materials of metal, namely, sheets, plates, panels, claddings, beams, knots, profiles, sections and fasteners, namely, bolts, nails, nuts, screws and rivets; coatings of metal, namely plattings of aluminum, aluminum alloys, iron, steel, nickel, copper, tin or zinc; sign boards of metal, namely metal sign blanks, plaques, information signs, boards, display boards, signage, directories, locaters, wall and door signs; decorative elements for motor vehicles, private cars, buses and motor lorries mainly made out of metal, namely trims, door trims, edge trims, trim lines, trim panels, interior trims