Types of Engineers

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Across
  1. 4. works on battery packs
  2. 6. Works on sewage systems
  3. 9. Works on nuclear reactors
  4. 11. Works on stamp dies
  5. 12. works on planes/rockets
  6. 14. Works on water pipes
  7. 15. Works on stable bridges
  8. 18. Works on power plants
  9. 19. Works on cleaning supplies
  10. 20. Works on oil rigs
Down
  1. 1. Works on Dams
  2. 2. Works on delivery systems
  3. 3. Works on blueprints
  4. 5. Works on rollercoasters
  5. 7. Works on racing cars
  6. 8. Works on plane safety
  7. 10. Works on drones
  8. 13. Works on phones
  9. 16. works on specialized tools
  10. 17. Works on jet engines