In one embodiment, a valve is secured to {HEAD ~ a distribution conduit} in {TAIL ~ fluid communication} with a pressurized source of fluid 
in
In one embodiment , a valve is secured to { HEAD ~ a distribution conduit } in { TAIL ~ fluid communication } with a pressurized source of fluid
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH