{HEAD ~ The liquid phase} is removed in line 88 to provide {TAIL ~ a cooling effect} in the third stage heat exchanger 16 
{ HEAD ~ The liquid phase } is removed in line 88 to provide { TAIL ~ a cooling effect } in the third stage heat exchanger 16
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH