冒顶、底板塌陷、爆破伤人、炮烟中毒、溜井坠人一向是冶金矿山企业最易发生的几类事故。10多年来,邯邢矿山局玉石洼铁矿认真分析每一类事故产生的原因,分别制定出有针对性的预防措施,取得了显著效果。■冒顶塌方事故■玉石洼铁矿在历年的工伤事故统计中发现,仅冒顶塌方造成的 Roof fall, floor collapse, blasting wounding, gunpowder poisoning, slips falling people has always been the most prone to several types of accidents in the metallurgical mining enterprises. For more than 10 years, the Jade Wa Wa iron mine of Handan Mining Bureau has carefully analyzed the causes of each type of accident and formulated targeted preventive measures respectively, which has achieved remarkable results. ■ fall top collapse accident ■ Jade Wa Wa iron mine in the calendar year after the accident statistics found that only the roof collapse caused