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