The sealing ring defines {TAIL ~ a generally circular cylindrical construction} having a thermal expansion rate being less than that of {HEAD ~ the components} of the gas turbine engine 
The sealing ring defines { TAIL ~ a generally circular cylindrical construction } having a thermal expansion rate being less than that of { HEAD ~ the components } of the gas turbine engine
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH