The receiving member 146 can be, for example, {HEAD ~ a spring mechanism} effective to receive {TAIL ~ a pressure} applied thereto by the flow control member 128, 129 
effective to receive
The receiving member 146 can be , for example , { HEAD ~ a spring mechanism } effective to receive { TAIL ~ a pressure } applied thereto by the flow control member 128 , 129
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH