wasteengineoilpurificationisparticularlyusedinsuchindustryasmines,metallurgy,electricpower,transportation,mechanicalmanufactureinwhichlubricationoillikehydraulicoil,engineoil,coolingoiletcareused.Gasengineoilusedinthefieldoftransportationlikeshipping,land-carriageetc.alsocanbetreatedwithregenerationbySeriesLYEmachines.)