engineering stuff

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Across
  1. 4. device made to help with cotton
  2. 7. develops farming
  3. 8. fix electrical stuff
  4. 9. makes aircrafts
  5. 10. makes apps
Down
  1. 1. develop computers
  2. 2. makes and tests beam shooting devices
  3. 3. makes matter
  4. 5. engineering with nuclear atoms
  5. 6. makes medical instruments