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the crushing grinding or pulverizing of coal sonoma(passive) is created byCoal dust
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The disaster ... a methane ignitionledto the massive coal dust explosion
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Thus , rock dusting using an inert material such as pulverized limestone , dolomite or gypsum ( rock dust ) will helpto preventcoal dust explosions
• Modernizing safety requirements in coal mines – Increased rock dusting would be requiredto preventcoal dust explosions
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The largest U.S. mine disaster in several decades ... a methane ignitiontriggereda massive coal dust explosion
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2012830abstract rock dustingto preventcoal dust explosions
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black lung disease.(AP Photo / David Goldmancausesblack lung disease.(AP Photo / David Goldman
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in black lung disease that drastically shortened the life of countless minersresultingin black lung disease that drastically shortened the life of countless miners
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black lung , a disease that killed around 10,000 people between 1995 and 2005causesblack lung , a disease that killed around 10,000 people between 1995 and 2005
coal workers ' pneumoconiosis ( also known as miners lung or black lung disease ) , respirable ... March 2 , 2007can causecoal workers ' pneumoconiosis ( also known as miners lung or black lung disease ) , respirable ... March 2 , 2007
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black lung disease ' - The Hindu Even as many are expressing serious concern over increase in industrial pollutants in the citycausesblack lung disease ' - The Hindu Even as many are expressing serious concern over increase in industrial pollutants in the city
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