{TAIL ~ The turbine engine} 4 wherein {HEAD ~ the trailing surface} is tapered from the maximum radius to lead into the inlet 
{ TAIL ~ The turbine engine } 4 wherein { HEAD ~ the trailing surface } is tapered from the maximum radius to lead into the inlet
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH