Since the joint between the housing and {HEAD ~ the container} has been sealed, the further increase in fluid pressure is applied to only the upper side of {TAIL ~ the container} 
Since the joint between the housing and { HEAD ~ the container } has been sealed , the further increase in fluid pressure is applied to only the upper side of { TAIL ~ the container }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL