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