As the power lever is advanced, for afterburner operation, {HEAD ~ fuel} is delivered sequentially to {TAIL ~ the afterburner} through different zones until it reaches the last zone 
is delivered sequentially to
As the power lever is advanced , for afterburner operation , { HEAD ~ fuel } is delivered sequentially to { TAIL ~ the afterburner } through different zones until it reaches the last zone
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH