{HEAD ~ The control} triggers one of {TAIL ~ the electronic switches} to conduct and discharge the capacitor in response to a predetermined response speed 
triggers
{ HEAD ~ The control } triggers one of { TAIL ~ the electronic switches } to conduct and discharge the capacitor in response to a predetermined response speed
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH