Transformation of energy

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Across
  1. 4. electric to light energy
  2. 5. heat to mechanical
  3. 8. light to chemical
  4. 9. chemical to heat enery
  5. 11. electric to chemical
  6. 12. sound to electic energy
  7. 13. electric to mechanic
  8. 14. electric to sound
Down
  1. 1. heat to electric
  2. 2. light to electric energy
  3. 3. electric energy to mechanical energy
  4. 6. chemical to mechanical
  5. 7. mechanical to electric
  6. 10. chemical to electric energy