{HEAD ~ a timing circuit} in {TAIL ~ electrical communication} with said output means of said electrical energy source 
{ HEAD ~ a timing circuit } in { TAIL ~ electrical communication } with said output means of said electrical energy source
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH