In operation, {HEAD ~ air} flows through low pressure compressor 12 from an inlet side 32 of engine 10 and {TAIL ~ compressed air} is supplied from low pressure compressor 12 to high pressure compressor 14 
In operation , { HEAD ~ air } flows through low pressure compressor 12 from an inlet side 32 of engine 10 and { TAIL ~ compressed air } is supplied from low pressure compressor 12 to high pressure compressor 14
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH