The connector is designed with armoured cables, which are certified for use in ha-zardous firedamp
It was believed that an explosion of firedamp
had sped through the underground development, caused by an opened safety lamp igniting the gas.
He researched the principles behind gas explosions and came up with a design for a lamp based on the observation that a fine-gauge wire mesh could prevent a flame "leaking" from a lamp and igniting any firedamp
Stephenson had been experimenting for several years with candles close to firedamp
emissions in the Killingworth mine.
Alf Manifesto, the fifty souls lost to the firedamp
blast of 1960, Gabriel Parry, his old man.
Perhaps heads lifted from the worlk of scrubbing steps, hands still from wringing rainbows onto slate while below the town, deep in the pit a rock fall struck spark from a steel, and fired the void, punched through the mine a fist of blazing firedamp
However, Dincer said the cause of the blast could be firedamp
The disaster, which was probably caused by firedamp
being ignited, killed 439 miners and one rescue worker.
Three coal seams were worked at Gresford: The Dennis shaft produced softer industrial coal but was prone to firedamp
The accident was caused by ignition of firedamp
(methane) which then triggered a coal dust explosion.
In 1931, 45 men and boys had perished in a firedamp
explosion at Bentley.
It was probably started by firedamp
(methane) being ignited, possibly by electric sparking from equipment such as electric bell-signalling gear.