Mine disasters

Name(s): 
Mining accidents
Nature 
Underground fires or explosions may lead to serious mine disasters and may be caused in many ways, in particular by the careless use of naked lights, by damage to electrical cables or other apparatus, or by spontaneous combustion of highly bituminous coals.
Incidence 
Despite many years of effort to diminish mining risks in general and large-scale accidents in particular, the accident rate in mines still remains high.
Type 
(D) Detailed problems