{HEAD ~ a second pressure regulator} in communication with {TAIL ~ said second reservoir} for controlling pressure supplied through said pressure supply conduit to said second reservoir 
{ HEAD ~ a second pressure regulator } in communication with { TAIL ~ said second reservoir } for controlling pressure supplied through said pressure supply conduit to said second reservoir
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 OTH OTH OTH OTH