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