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