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Caffeine use
Coal Mining
The process of extracting coal from the ground, an important activity for generating electricity and various industrial processes.
User Cost
The cost of using a good or service, which encompasses not only the purchase price but also the costs associated with using and maintaining it.
Mine Coal
The process of extracting coal from the earth, which involves the removal of overburden and digging into coal seams.
Extraction Costs
The expenses associated with the removal of resources or raw materials from the earth for use or sale.
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