{HEAD ~ The invention} is also directed to {TAIL ~ the interstage cooling} of one refrigeration cycle by the other refrigeration cycle 
{ HEAD ~ The invention } is also directed to { TAIL ~ the interstage cooling } of one refrigeration cycle by the other refrigeration cycle
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH