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