Name: Coal Mining: The Dangerous Job on EARTH
Uploaded: 2017-04-12T02:19:51+00:00
Description: Coal Mining: The Dangerous Job on EARTH The objective of coal mining is to obtain coal from the ground. Coal is valued for its power material, and, given that the 1880s, has actually been extensively made use of to produce electricity.

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Coal Mining: The Dangerous Job on EARTH

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Coal Mining: The Dangerous Job on EARTH The objective of coal mining is to obtain coal from the ground. Coal is valued for its power material, and, given that the 1880s, has actually been extensively made use of to produce electricity.

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