An afterburner on a turbofan or fan jet engine contains {TAIL ~ a fuel system} having a fuel control delivering fuel to {HEAD ~ a plurality} of injection zones 
An afterburner on a turbofan or fan jet engine contains { TAIL ~ a fuel system } having a fuel control delivering fuel to { HEAD ~ a plurality } of injection zones
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH