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