{TAIL ~ The base wire} is made of high temperature resistant metal, {HEAD ~ preferably an iron chromium aluminum alloy} 
{ TAIL ~ The base wire } is made of high temperature resistant metal , { HEAD ~ preferably an iron chromium aluminum alloy }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD