Engineers

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Across
  1. 3. Nuclear energy
  2. 4. Systems
  3. 5. Water
  4. 10. Robots
  5. 12. Testing quality
  6. 16. Laser
  7. 17. Electricity
  8. 18. Aircraft
  9. 19. Airplanes
  10. 20. Medicine
  11. 21. Petroleum
Down
  1. 1. Sight
  2. 2. Energy
  3. 6. Phones
  4. 7. Solve newer problems
  5. 8. Earth's heat
  6. 9. Vehicle
  7. 11. Buildings
  8. 13. Tools
  9. 14. Makeup
  10. 15. Jet