{HEAD ~ A waveform management method} for {TAIL ~ ballasts} for use in an electronic device, comprising: 
for
{ HEAD ~ A waveform management method } for { TAIL ~ ballasts } for use in an electronic device , comprising :
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH