{HEAD ~ a plunger assembly} comprising a plunger member and a plunger plate slidably disposed within {TAIL ~ said barrel assembly} 
{ HEAD ~ a plunger assembly } comprising a plunger member and a plunger plate slidably disposed within { TAIL ~ said barrel assembly }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL