Any copper, brass, or aluminum, or any combination of those metals, purchased by a recyclable metal dealer, irrespective of form or quantity, except that “recyclable metal” does not include: (i) items designed to contain, or to be used in the preparation of, beverages or food for human consumption; (ii) discarded items of non-commercial or household waste; or (iii) gold, silver, platinum, and other precious metals used in jewelry.