| 1. | The prevalence of firedamp affected all the Podmore Hall Combine collieries.
|
| 2. | Firedamp is a mine gas that consists chiefly of methane.
|
| 3. | Davy however performed his experiments with samples of firedamp collected from pits.
|
| 4. | Thus low pressure increases the risk of firedamp accumulating.
|
| 5. | This time the firedamp leaking from the void above the goaf was ignited.
|
| 6. | Firedamp was a problem in the construction and a workman was badly burned.
|
| 7. | Despite its profitability, Minnie was a dangerous pit because it had firedamp.
|
| 8. | The explosion was caused by a firedamp explosion.
|
| 9. | Describes the testing of a mine for firedamp.
|
| 10. | At Wallsend in 1818 lamps were burning red hot ( indicating significant firedamp ).
|
