煤矿井下作业十分危险,有水、火、瓦斯、顶板、煤尘“五大灾害”。但是,随着科学技术的不断进步,对“五大灾害”的防治工作已有规章可循,这些灾害不再像人们想象的那样可怕,而真正可怕的是井下职工粗心大意,自己违章作业后竟然还觉察不到,那才是真正危险的“敌人”。重煤集团电 Coal mine operation is very dangerous, with water, fire, gas, roof, coal dust “five major disaster.” However, with the continuous improvement of science and technology, the prevention and control of the “Five Disasters” have been followed. The disasters are no longer as scary as people think. What is truly terrible is that underground workers are careless and run violating regulations Still not aware of it, that is the truly dangerous “enemy.” Heavy coal group electricity