The first effective surface area determines {HEAD ~ the magnitude} of the peak fluid pressure in the selected second force transmitting mechanism and {TAIL ~ the downstream conduit} 
of
The first effective surface area determines { HEAD ~ the magnitude } of the peak fluid pressure in the selected second force transmitting mechanism and { TAIL ~ the downstream conduit }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL