chesse.

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Across
  1. 4. someone who builds bridges roads ext
  2. 5. makes new systems for engineering
  3. 6. someone who works with nuclear plants
  4. 7. builds jet engines
  5. 8. builds underwater vessels
  6. 10. someone who desgins spacecraft cuhh ya cuhh
Down
  1. 1. assist pilots with their aircraft systems
  2. 2. makes everyday essentials
  3. 3. someone who puts signs to warn about construction
  4. 9. test engineering products systems