The turbine section 16 is {TAIL ~ a stage} of {HEAD ~ disk mounted turbine blades} 20, only one of which is shown, each of which blades 20 has a hollow aerofoil 22 
The turbine section 16 is { TAIL ~ a stage } of { HEAD ~ disk mounted turbine blades } 20 , only one of which is shown , each of which blades 20 has a hollow aerofoil 22
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH