Mine safety in coal mines, which in turn can initiate more extensive coal dust explosions. For this reason, rock dusts such as limestone dust are spread throughout coal mines to diminish the chances of coal dust explosions as well as to limit the extent of potential explosions, in a process known as rock dusting. Coal dust explosions can also begin independently of methane gas explosions. Frictional heat and sparks generated by mining equipment can ignite both methane gas and coal dust. For this reason, water is often used to cool rock-cutting sites. Miners utilize equipment strong enough to break through extremely hard
2014 Kaohsiung gas explosions the explosions occurred, citing the fragility of the ground or the ruined buildings around. The remaining 260 tons of propene inside the damaged pipes was vented out completely by Monday from both of their input and output points. Nitrogen gas was put into pipes ensuring all propene had been removed, a move which had been done earlier by the CPC. The Environmental Protection Administration also had dispatched personnel to Kaohsiung to assist local government in air pollution monitoring. On 5 August, the Kaohsiung District Prosecutor's Office issued the death certificates of two missing firefighters who had fought the fires caused