{TAIL ~ The first and second stages} of the compressor are used to provide the combined compressed low and medium pressure off {HEAD ~ gas stream} 
{ TAIL ~ The first and second stages } of the compressor are used to provide the combined compressed low and medium pressure off { HEAD ~ gas stream }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD