Among them, 6 mining accidents, accounting for 42.8 percent. The official death toll in 2004 was 6,027. In the first half of 2005, the state allocated 3 billion yuan in special funds to upgrade coal mines' technology, and the work safety bureau was upgraded to the General Administration of work safety, but the situation remained grim, with the death toll in the first half rising 3.3 percent from a year earlier to 2,672. According to incomplete statistics, 80% of these mining accidents are directly caused by lighting. The direct benefit of the progress of LED technology is its application in mining lamps.