Tags : lignite
phrase:lignite,3 results
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Types of coal, lignite, subbituminous coal, anthracite, bituminous coal.
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From Wikipedia, the free encyclopedia. Jump to: navigation, search. Strip mining lignite at Garzweiler, Germany · Strip mining lignite at Garzweiler, ...
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Gelignite, also known as Blasting gelatin, is an explosive material consisting of collodion-cotton (a type of nitrocellulose or gun cotton) dissolved in ...
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