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