The second effective surface area determines the magnitude of the cutback fluid pressure in {HEAD ~ the selected second force} transmitting mechanism and {TAIL ~ the downstream conduit} when the second reaction chamber is pressurized with fluid 
The second effective surface area determines the magnitude of the cutback fluid pressure in { HEAD ~ the selected second force } transmitting mechanism and { TAIL ~ the downstream conduit } when the second reaction chamber is pressurized with fluid
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH