Matches in DBpedia 2014 for { ?s ?p Due to its abundance, coal has been mined in various parts of the world throughout history and coal mining continues to be an important economic activity today. Compared to wood fuels, coal yields that have higher amount of energy per mass and can often be obtained in areas where wood is not readily available. Though historically used as a domestic fuel, coal is now mostly used in industry, especially in smelting and alloy production as well as electricity generation.. }
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- History_of_coal_mining comment "Due to its abundance, coal has been mined in various parts of the world throughout history and coal mining continues to be an important economic activity today. Compared to wood fuels, coal yields that have higher amount of energy per mass and can often be obtained in areas where wood is not readily available. Though historically used as a domestic fuel, coal is now mostly used in industry, especially in smelting and alloy production as well as electricity generation.".