{HEAD ~ Advantages} provided by {TAIL ~ the present invention} include improved ability to extend the useful life of metallic articles and, in particular, gas turbine engine rotors and rotor components as compared to currently available methods 
provided by
{ HEAD ~ Advantages } provided by { TAIL ~ the present invention } include improved ability to extend the useful life of metallic articles and , in particular , gas turbine engine rotors and rotor components as compared to currently available methods
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