To this end, {HEAD ~ a further goal} of {TAIL ~ the invention} is an electrical circuit capable of storing electrical energy and capable of stepping up and discharging the stored energy in two frequencies in a series of pulsating, discharges 
of
To this end , { HEAD ~ a further goal } of { TAIL ~ the invention } is an electrical circuit capable of storing electrical energy and capable of stepping up and discharging the stored energy in two frequencies in a series of pulsating , discharges
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL 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