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