engineer

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Across
  1. 2. vaccines
  2. 4. planes and parts
  3. 6. conveyor belt
  4. 9. software
  5. 14. cell tower
  6. 16. robots
  7. 17. railroads
  8. 19. power lines
  9. 20. X-rays
  10. 21. zoo cages
  11. 22. bridges
Down
  1. 1. stage lights
  2. 3. ac/vents/pipes
  3. 5. commercials
  4. 7. circuit board
  5. 8. large ac
  6. 10. cleaning supplies
  7. 11. project plans
  8. 12. antibiotics
  9. 13. tractors
  10. 15. prosthetics
  11. 18. water filters