More specifically, the process achieves the rejection of {HEAD ~ inert components} such as nitrogen from natural gas without operating in {TAIL ~ the cryogenic temperature range} 
More specifically , the process achieves the rejection of { HEAD ~ inert components } such as nitrogen from natural gas without operating in { TAIL ~ the cryogenic temperature range }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL