The yearly number of people dying due to the accidents in metal mines and nonmetal mines is second only to one due to the traffic accidents and coal mine accidents in China.

• 金属非金属矿山每年死亡人数仅次于道路交通和煤矿事故,重大事故发生率高,危害大,安全形势相当严峻,而且金属非金属矿山安全预警体系的研究目前在国内仍属空白。