In {TAIL ~ response} to the load control signal, the controller interrupts {HEAD ~ supply} of power from the power system to the first load, thereby reducing demand on the power system 
In { TAIL ~ response } to the load control signal , the controller interrupts { HEAD ~ supply } of power from the power system to the first load , thereby reducing demand on the power system
OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH