{TAIL ~ The magnetic duct} provides for the removal of undesirable particles generated by {HEAD ~ the cathodic arc source} 
{ TAIL ~ The magnetic duct } provides for the removal of undesirable particles generated by { HEAD ~ the cathodic arc source }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD