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