{HEAD ~ Each nozzle assembly} defines {TAIL ~ a nozzle chamber} in fluid communication with a respective fluid inlet conduit and a nozzle opening from which fluid is ejected 
{ HEAD ~ Each nozzle assembly } defines { TAIL ~ a nozzle chamber } in fluid communication with a respective fluid inlet conduit and a nozzle opening from which fluid is ejected
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH