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