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