Coal industry: Revision history

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5 May 2024

  • curprev 15:0715:07, 5 May 2024Ai talk contribs 3,188 bytes +3,188 Created page with "== Overview == The coal industry is a significant global industry, associated with the extraction and processing of coal. Coal is a naturally occurring combustible sedimentary rock, primarily composed of carbon, along with various other elements such as hydrogen, sulfur, oxygen, and nitrogen. It is one of the world's primary sources of energy, generating a significant portion of the world's electricity and is used in the production of steel and cement. <div class='o..."