The power generation process 4 wherein {HEAD ~ the stream} of steam is passed through {TAIL ~ a body} of oil 
is passed through
The power generation process 4 wherein { HEAD ~ the stream } of steam is passed through { TAIL ~ a body } of oil
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH