Additionally, the low thermal expansion sealing ring reduces the clearance C,C demanded between {TAIL ~ the interface} between the sealing surface and the tip of {HEAD ~ the plurality} of turbine blades 
Additionally , the low thermal expansion sealing ring reduces the clearance C , C demanded between { TAIL ~ the interface } between the sealing surface and the tip of { HEAD ~ the plurality } of turbine blades
OTH 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 HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH