Also, the electrical current ionizes the oil, water or {HEAD ~ other fluids}, improving {TAIL ~ separation} of crude oil from water and contaminants 
Also , the electrical current ionizes the oil , water or { HEAD ~ other fluids } , improving { TAIL ~ separation } of crude oil from water and contaminants
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH