Vocab

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Across
  1. 3. advance
  2. 7. to reduce
  3. 9. demand
  4. 10. to prolong
  5. 11. use
  6. 12. to predict
  7. 14. to increase
  8. 15. to find out
  9. 18. marketing
  10. 20. technological
  11. 22. the factory
Down
  1. 1. to replace
  2. 2. majority
  3. 4. service
  4. 5. to cure
  5. 6. industry
  6. 8. to discover
  7. 11. invention
  8. 13. to invent
  9. 16. product
  10. 17. to pollute
  11. 18. freetime
  12. 19. field
  13. 21. device