{HEAD ~ Each supplemental energy source} includes {TAIL ~ circuitry} for repetitively storing a predetermined quantity of supplemental energy and circuitry for detecting a start of a primary energy pulse and in response thereto, for discharging the restored supplemental energy into the conductors 
includes
{ HEAD ~ Each supplemental energy source } includes { TAIL ~ circuitry } for repetitively storing a predetermined quantity of supplemental energy and circuitry for detecting a start of a primary energy pulse and in response thereto , for discharging the restored supplemental energy into the conductors
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH