“Junk” includes all old machinery, old machine parts, old appliances or parts thereof, old iron, or other metal, glass, paper, plastics, resins, cardboard, waste fats and oils, food waste, used bottles and cans, old lumber, old wood, or other waste, debris, or discarded material, or material stockpiled for the purpose of recycling. (Ord. 2526 § 1, amended, 1989; Ord. 1490 § 1, amended, 1966)