Apparatus for controlling {TAIL ~ fluid communication} with {HEAD ~ a fluid pressure system} includes parallel flow paths connected to the system 
Apparatus for controlling { TAIL ~ fluid communication } with { HEAD ~ a fluid pressure system } includes parallel flow paths connected to the system
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH