Landen's Engineering Puzzle

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Across
  1. 2. type of engineer that works with nuclear energy
  2. 4. type of engineer that works with buildings
  3. 5. an engineer that works on structures in the ocean
  4. 7. type of engineer that works in the field of research
  5. 8. if you work as a zero-carbon power engineer what field are you in
  6. 9. if you're an x-ray engineer you work in which field
Down
  1. 1. An industrial engineer needs to be educated in?
  2. 3. Type of engineer that works on aircrafts
  3. 6. Type of engineer that works with hazards chemicals
  4. 10. if you're a jet engine technician you work on?