{HEAD ~ The cathodic arc source} of {TAIL ~ the CAVAD system} is located at one end of the magnetic duct 
of
{ HEAD ~ The cathodic arc source } of { TAIL ~ the CAVAD system } is located at one end of the magnetic duct
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH