1. An underground methane and coal dust explosion in Ukraine kills at least 50. 2. Use of improper explosives underground can also cause methane and coal dust explosions . 3. 2001-An underground methane and coal dust explosion in Ukraine, kills at least 50. 4. Flooding and coal dust explosions in some mines required improved ventilation and pumping engines. 5. On 1 March 1927 an underground gas and coal dust explosion killed 52 men. 6. Firedamp explosions can trigger the much-more-dangerous coal dust explosions , which can engulf an entire pit. 7. This is to prevent coal dust explosions and also to prevent the incidence of black lung disease. 8. Firedamp explosions continued, often setting off coal dust explosions , so casualties grew during the entire 19th century. 9. Firedamp explosions can trigger the much more dangerous coal dust explosions , which can engulf an entire pit. 10. It is thought to have been caused by a methane explosion followed by a coal dust explosion .
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