去年以来,辽宁省劳动保护科学技术学会矿山安全专业委员会为矿山安全做了两件好事,取得了较好的效果。 一件是召开了乡村露天矿山深孔、硐室爆破新技术研讨会,推广了这项新技术。 去年,大连市甘井子区泡崖公司石材厂采用这一新技术后,人员减少45%,产量增加一倍,实现了死亡和重 Since last year, Liaoning Provincial Institute of Labor Protection Science and Technology Mining Safety Committee made two good things for mine safety and achieved good results. One is the convening of a village open-pit mine deep hole, chamber blasting new technology seminar to promote this new technology. Last year, after the adoption of this new technology by the stone factory of the Company in Ganjingzi District of Dalian City, its staff decreased by 45% and its output doubled to achieve the death and weight