{TAIL ~ This invention} is directed generally to turbine blades, and more particularly to hollow turbine blades having an intricate maze of cooling channels for passing fluids, such as {HEAD ~ air}, to cool the blades 
{ TAIL ~ This invention } is directed generally to turbine blades , and more particularly to hollow turbine blades having an intricate maze of cooling channels for passing fluids , such as { HEAD ~ air } , to cool the blades
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