One of {HEAD ~ the benefits} of {TAIL ~ the coaxial electrode assembly} 52 is that its small physical size permits several of the assemblies to be positioned adjacent one another 
of
One of { HEAD ~ the benefits } of { TAIL ~ the coaxial electrode assembly } 52 is that its small physical size permits several of the assemblies to be positioned adjacent one another
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH