The fluid in the autoclave and housing is heated with {TAIL ~ a resulting increase} in the fluid pressure in {HEAD ~ the autoclave} and housing 
The fluid in the autoclave and housing is heated with { TAIL ~ a resulting increase } in the fluid pressure in { HEAD ~ the autoclave } and housing
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH