In response to an output obtained from the singal processing circuit, {HEAD ~ 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 {TAIL ~ the abnormal condition} of the machine tool 
is actuated to warn
In response to an output obtained from the singal processing circuit , { HEAD ~ 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 { TAIL ~ the abnormal condition } of the machine tool
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH