{TAIL ~ The third flow} of fluid is directed through {HEAD ~ the cutting cone bearings} to cool the bearings during the drilling operation 
{ TAIL ~ The third flow } of fluid is directed through { HEAD ~ the cutting cone bearings } to cool the bearings during the drilling operation
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH