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
2015 Tianjin explosions nitrate and 500 tonnes of potassium nitrate were at the blast site. On 17 August, the deputy director of the public security bureau's fire department told CCTV: Ammonium nitrate, which is principally used in manufacturing fertilizer, has been implicated in a number of other fatal industrial explosions. A fire department spokesman confirmed that firefighters had used water in combating the initial fire, which may have led to water being sprayed on calcium carbide, releasing the highly flammable gas acetylene. This would have provided the fuel source for reaction with the oxidiser, ammonium nitrate and consequently detonate. At least 700 tonnes