The elastic tube 7 also expands outwardly due to {HEAD ~ the expansion} of {TAIL ~ the pressure} transmitting medium 8 
of
The elastic tube 7 also expands outwardly due to { HEAD ~ the expansion } of { TAIL ~ the pressure } transmitting medium 8
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH