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Across
  1. 3. to work
  2. 5. to move away
  3. 6. to rinse
  4. 8. certification
  5. 13. ecological products
  6. 15. to turn off
  7. 16. raw materials
  8. 17. to reduce
  9. 18. recycle
  10. 19. power outage
Down
  1. 1. consumption
  2. 2. to be missing
  3. 4. natural resources
  4. 7. natural environment
  5. 9. self-construction
  6. 10. both
  7. 11. to save
  8. 12. to light
  9. 14. to reuse