1. Smelting industry, Chemical and Paper industry, Oil refineries, brick kilns. For more answers visit to website: https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-10/

    Smelting industry, Chemical and Paper industry, Oil refineries, brick kilns.

    For more answers visit to website:
    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-10/

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  2. Chhattisgarh. For more answers visit to website: https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-10/

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  3. Bangladesh. For more answers visit to website: https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-10/

    • 5
  4. For Rail coach and goods coach manufacturing. For more answers visit to website: https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-10/

    For Rail coach and goods coach manufacturing.

    For more answers visit to website:
    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-10/

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  5. Cement industry. For more answers visit to website: https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-10/

    Cement industry.

    For more answers visit to website:
    https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-10/

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    • 4