Types of engineers

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Across
  1. 8. Marine
  2. 9. Robotics
  3. 11. Caverns
  4. 17. Improving machines
  5. 19. Biology and medicine
  6. 20. Technology
  7. 21. Highway construction
  8. 22. Design
Down
  1. 1. Structures
  2. 2. Nuclear products
  3. 3. Improve equipment
  4. 4. Vibration
  5. 5. Food products
  6. 6. Computers
  7. 7. Motion and force
  8. 10. Power systems
  9. 12. Design GPS
  10. 13. Construction planning
  11. 14. Genes
  12. 15. Jet engines
  13. 16. Cosmetics
  14. 18. Lasers