Referring to FIG 1. {HEAD ~ A gas turbine engine} indicated generally by the numeral 10 has a compressor 12, combustion equipment 14, a turbine section 16 and {TAIL ~ an exhaust duct} 18 
Referring to FIG 1 . { HEAD ~ A gas turbine engine } indicated generally by the numeral 10 has a compressor 12 , combustion equipment 14 , a turbine section 16 and { TAIL ~ an exhaust duct } 18
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH