said {TAIL ~ housing} defining a pressure supply conduit in {HEAD ~ communication} with said dispensing conduits 
said { TAIL ~ housing } defining a pressure supply conduit in { HEAD ~ communication } with said dispensing conduits
OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH