在工厂作业场所或其它公共设施中,当出现某种险情或险情即将来临时,为了提醒有关人员采取消除或控制险情的措施,或者在险情难以避免的当事人要求紧急撤离时,需要发出一定的险情警告信号,这在国际标准和国家标准中称之为工作场所的险情信号,它是保证工作人员及时排除或躲避危险? In the factory workplace or other public facilities, when a certain danger or danger is coming, in order to remind the staff to take measures to eliminate or control the danger, or when the unavoidable danger of the parties require an emergency evacuation, the need to send some dangerous Warning signal, which is called the dangerous signal of the workplace in international standards and national standards. Is it to ensure that staff members in time to exclude or avoid danger?