{HEAD ~ The second piston} is exposed to {TAIL ~ a pressure} which depends upon the pressure generated in the first cylinder 
is exposed to
{ HEAD ~ The second piston } is exposed to { TAIL ~ a pressure } which depends upon the pressure generated in the first cylinder
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