... oil, used vegetable oil, used crankcase oils, used Glycerin, used Hydraulic oil, used synthetic oils, waste machine shop cutting oil, waste ... mineral spirits solvent, waste grades #1, #3, #4 heating oils, waste mixed heavy oil etc., as well as regular ... pollution as much as possible. Environmentally –friendly, Exhausting air complies with the requirements of EURO III;7. Big oil tank optional ...