In {HEAD ~ yet another embodiment}, {TAIL ~ the thin metal film} is comprised of a nickel chromium alloy 
In { HEAD ~ yet another embodiment } , { TAIL ~ the thin metal film } is comprised of a nickel chromium alloy
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH