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