Wash Away The Impurities SystemOne has introduced its Model 571 recycling parts washer that was newly designed with a larger sink work area and for meduim to heavy duty general parts cleaning. The company's patented on-site distillation process seperates the solvent from the oil and other debris and does not chemically change the characteristics of the distillation residue, which typically consists of oil, grease, dirt and other impurities.