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