History of coal miners inventiveness in clothing their families. Mining has always been dangerous, because of methane gas explosions, roof cave-ins, and the difficulty of mines rescue. The worst single disaster in British coal mining history was at Senghenydd in the South Wales coalfield. On the morning of 14 October 1913 an explosion and subsequent fire killed 436 men and boys. It followed a series of many extensive Mining accidents such as The Oaks explosion of 1866 and the Hartley Colliery Disaster of 1862. Most of the explosions were caused by firedamp ignitions followed by coal dust explosions. Deaths were mainly caused by carbon
2008 Guangxi chemical plant explosions the cause is unknown. Other explosions continued until 1 p.m. Fire spread over an area of nearly 108,000 square feet (10,000m²). The explosions caused the leak of toxic substances, including ammonia, formaldehyde, acetylene, sulfurated hydrogen and carbon monoxide. At least 20 people were killed and at least 60 were injured; six people remained missing following the explosions. Fearing further explosions and leaks, the government evacuated 11,500 residents. Xinhua quoted the provincial toxic substances emergency center director as saying that the explosions causes no serious air or water pollution. The director also said that dams had been erected to prevent discharge