{TAIL ~ The combined low and medium pressure} off gas stream is contacted with the high pressure liquid in {HEAD ~ the high pressure flash zone} 
{ TAIL ~ The combined low and medium pressure } off gas stream is contacted with the high pressure liquid in { HEAD ~ the high pressure flash zone }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD