Wind Energy

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Across
  1. 4. Thing thats useful
  2. 5. The force that powers sailboats
  3. 7. Not urban
  4. 9. Thing used to power computers,TVs...
  5. 10. Nature
  6. 11. Work to keep something in shape
  7. 13. Cost
Down
  1. 1. Movement energy
  2. 2. One reason that airplanes can fly
  3. 3. Main machine used to generate wind power
  4. 6. A rod that connects to the center of a weal
  5. 8. A machine that turns movement into
  6. 12. Another term for electricity
  7. 14. Another term for electricity