In {TAIL ~ other words}, {HEAD ~ an active control signal} 47 turns on an isolation device to allow a potential to be conducted from one location to another location 
In
In { TAIL ~ other words } , { HEAD ~ an active control signal } 47 turns on an isolation device to allow a potential to be conducted from one location to another location
REL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH