As the oil and coolant flow sequentially through the chambers of the separator, the separating properties of the oil and the coolant begin to act so that the oil raises to the surface, whereas the coolant tends to seek {HEAD ~ its way} through {TAIL ~ the chambers} of the separator 
through
As the oil and coolant flow sequentially through the chambers of the separator , the separating properties of the oil and the coolant begin to act so that the oil raises to the surface , whereas the coolant tends to seek { HEAD ~ its way } through { TAIL ~ the chambers } of the separator
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH