Fuel return line 69 may fluidly connect fuel injectors 65 to fuel source 50, and may be configured to direct surplus fuel from {HEAD ~ fuel injectors} 65 to fuel {TAIL ~ source} 50 
Fuel return line 69 may fluidly connect fuel injectors 65 to fuel source 50 , and may be configured to direct surplus fuel from { HEAD ~ fuel injectors } 65 to fuel { TAIL ~ source } 50
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH