In response to {HEAD ~ an output} obtained from {TAIL ~ the singal processing circuit}, the operation of the machine tool is halted by means of a control circuit or the alarming device, such as lamp, buzzer, is actuated to warn the abnormal condition of the machine tool 
obtained from
In response to { HEAD ~ an output } obtained from { TAIL ~ the singal processing circuit } , the operation of the machine tool is halted by means of a control circuit or the alarming device , such as lamp , buzzer , is actuated to warn the abnormal condition of the machine tool
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH