6 Building materials of metal, namely, plating compositions, as well as profiles of metal, namely, end profiles, transition profiles, wall and ceiling connection profiles as well as profile end angles of metal; wainscotings of metal or mainly of metal; door fittings of metal for buildings; supporting structures of metal for interior fittings, namely, stud frames for walls, metal wall panels and ceiling boards of metal; components and building elements of metal, namely, strut profiles for arranging devices on and in walls, ceilings, and other surfaces, standard ceiling supports of metal, ceiling connecting parts, namely, ceiling tiles, wall panels, floor panels and ceiling panels, door frame profiles, standard door frames; beams of metal; fastening elements of metal, namely, bolts, screws, metal ball lock pins, rivets and dowels of metal; fastening material of metal, namely, cotter pins and fastening clips of metal for tubes; metal mounting brackets for construction purposes for use with plates and panels; angle irons of metal, for building purposes; ironmongery and small items of metal hardware, namely, angle brackets of metal