{HEAD ~ This circuitry} includes a circuit system for detecting {TAIL ~ a short circuit condition} in the series switching network 
{ HEAD ~ This circuitry } includes a circuit system for detecting { TAIL ~ a short circuit condition } in the series switching network
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH