{HEAD ~ The loads} are coupled to the pulsed, primary source by {TAIL ~ a pair} of conductors 
are coupled by
{ HEAD ~ The loads } are coupled to the pulsed , primary source by { TAIL ~ a pair } of conductors
HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH