{HEAD ~ an electrical energy source} to charge said {TAIL ~ electrical circuit}, said electrical energy source having an electrical output means 
to charge
{ HEAD ~ an electrical energy source } to charge said { TAIL ~ electrical circuit } , said electrical energy source having an electrical output means
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH