Both the control circuit and the alarming device are connected to the signal processing circuit, and either of which are actuated depending upon a level of {HEAD ~ the signal} obtained from {TAIL ~ the sensing means} 
obtained from
Both the control circuit and the alarming device are connected to the signal processing circuit , and either of which are actuated depending upon a level of { HEAD ~ the signal } obtained from { TAIL ~ the sensing means }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL