an injector inlet in {HEAD ~ fluid communication} with the injector bore for admittance of {TAIL ~ pressurized fuel} therein, and 
an injector inlet in { HEAD ~ fluid communication } with the injector bore for admittance of { TAIL ~ pressurized fuel } therein , and
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH