Energy Lectures

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Across
  1. 6. mining
  2. 8. energy
  3. 9. fuel
  4. 10. Sources
  5. 13. fuel
  6. 14. Mine
  7. 15. together
Down
  1. 1. top removal
  2. 2. drainage
  3. 3. mining
  4. 4. apart
  5. 5. Fuels
  6. 7. Sources
  7. 11. black
  8. 12. water