Clean auto cast iron, broken or unbroken, free of none ferrous and none-metallics. May include small amounts of grating, truck brake hubs, diesel cast and small machinery bases and steel parts. Exclusions: All counterweights, stove plate, burnt iron, brake shoes or foreign materials. No dirty motor/blocks or whole engines. Permissible: May include steel parts which does not exceed 15 percent of the load. Allowances: Malleable iron parts allowed.