large red emergency stop button see from above, top view, with open cover, industrial workplace safety, heavy-duty machine stop

accessible accident prevention accidents alert asset white background bright color circuit breaker control panel electrical emergency equipment procedure response factory hazard high contrast halt industrial component industry interruption isolated large button machine shutdown machinery manual manufacturing mechanical people nuclear power plant panic cutoff precaution precautions pushbutton quick access red safety cover open security stop mechanism signal stopper top view urgent visible workplace workspace