1. The Maine was powered by coal, and a coal-dust explosion has been suggested. 2. To explain the second explosion, Ballard advanced the theory of a coal-dust explosion . 3. Use of improper explosives underground can also cause methane and coal dust explosions . 4. 2001-An underground methane and coal dust explosion in Ukraine, kills at least 50. 5. An underground methane and coal dust explosion in Ukraine kills at least 50. 6. On 1 March 1927 an underground gas and coal dust explosion killed 52 men. 7. Historically, fatalities from dust explosions have largely been the result of secondary dust explosions . 8. The June 8 grain dust explosion near Wichita, Kan ., left seven workers dead. 9. This kind of thing is how you get dust explosions . 10. Flooding and coal dust explosions in some mines required improved ventilation and pumping engines.
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