The pressure applied against opposite sides of the workpiece is increased by heating {HEAD ~ the fluid} in the autoclave and {TAIL ~ the housing} 
in
The pressure applied against opposite sides of the workpiece is increased by heating { HEAD ~ the fluid } in the autoclave and { TAIL ~ the housing }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL