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
Belsen Was a Gas demo version features very faint, reverbed vocals. A different version of the song – titled simply "Belsen Was a Gas Demo 2" – was released as part of a single box on 19 April 2014. Belsen Was a Gas "Belsen Was a Gas" is a highly controversial song by the British punk rock band the Sex Pistols. The song is about one of the Nazi concentration camps in Nazi Germany, Bergen-Belsen, which was liberated by British troops in 1945. ASCAP credits the songwriters as John Beverly (Sid Vicious), Paul Cook, Steve Jones, John Lydon but Sid Vicious is often credited