{TAIL ~ The wire} has a diameter of from about 0.1 to about 0.5 millimeters and is formed from {HEAD ~ platinum}, iridium, or a platinum/iridium alloy 
{ TAIL ~ The wire } has a diameter of from about 0.1 to about 0.5 millimeters and is formed from { HEAD ~ platinum } , iridium , or a platinum / iridium alloy
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH