Aluminium and its alloys; Aluminium wire; Aluminum alloys; Aluminum tape used to join panels for use in wall, attic, ceiling and flooring applications in the building industry; Brass alloys; Iron slabs; Iron strip; Stainless steels; Steel in sheet, rod, bar and/or billet form; Steel rods; Steel sheets; Steel strip; Steel wire; Tubes of copper alloys; Tubes of stainless steel