{HEAD ~ Electrical current} is transmitted to and from {TAIL ~ the ESD} 74 in accordance with whether the ESD 74 is being charged or discharged 
{ HEAD ~ Electrical current } is transmitted to and from { TAIL ~ the ESD } 74 in accordance with whether the ESD 74 is being charged or discharged
HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH