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