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