A turbine blade for {HEAD ~ a turbine engine} having {TAIL ~ a double wall} having one or more cavities forming a cooling system 
A turbine blade for { HEAD ~ a turbine engine } having { TAIL ~ a double wall } having one or more cavities forming a cooling system
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH