ghana coal gangue exploration
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ghana coal gangue exploration

Commercial, household, and transportation uses of coal have dropped to almost nothing. In industry, coal declined from 46% of the energy consumed in 1950 to 09.5% in 1975. Only in the electrical generation sector has coal held its own. In 1950 some 45% of the energy consumed by electric utilities came from coal. In 1975 it was just a point ...

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