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