The heat emission part 20 includes a wire provided in {HEAD ~ the form} of {TAIL ~ a tip} including one of tungsten , nickel chrome , platinum , tungsten silicide , tantalum , tantalum silicide , molybdenum , molybdenum silicide and cobalt silicide  
The heat emission part 20 includes a wire provided in { HEAD ~ the form } of { TAIL ~ a tip } including one of tungsten , nickel chrome , platinum , tungsten silicide , tantalum , tantalum silicide , molybdenum , molybdenum silicide and cobalt silicide
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH