Tarenni Colliery 1858, when the Primrose Colliery was owned by Morgan and Lewis, fumes of an engine boiler suffocated 14 men and boys, and 7 horses. According to HM Inspectorate of Mines and Quarries data, outside the Gwendraeth valley, Tarenni Colliery had the highest set of recorded incidents for coal damp and methane gas explosions. In total during its production lifetime, there were six outbursts in which three men lost their lives: one on 12 December 1914; two on 17 February 1941. On 1 November 1909, water from the abandoned Ynysgeinon pit caused the death of five miners at Tarenni No.2. On
1995 Daegu gas explosions Department Store chain, where 31 holes of 75 millimeter width that were going through a grout curtain were accidentally drilled through a city gas pipeline and resulted in gas leakages into the subway construction site through a nearby sewer lead to the explosion due to an unknown fire at the site. The explosion created a 50-meter pillar of fire. The accident killed 101 people, including 42 students, and injured 202. The 400-meter-long private parking lot on the construction site collapsed, and 60 buildings and 152 cars were damaged and the damage reached 54 billion won. The damage caused by the