As in {HEAD ~ the previous embodiments} each coaxial electrode assembly 52 has {TAIL ~ its own anodic wire spool}  
As in { HEAD ~ the previous embodiments } each coaxial electrode assembly 52 has { TAIL ~ its own anodic wire spool }
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH