Engineers

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Across
  1. 2. Packaging/refridgeration solutions
  2. 3. Diesel engines
  3. 7. engineer visual for screen
  4. 9. pedal powered billboard
  5. 10. waterproof concrete
  6. 11. steam engine
  7. 12. designer software like schoology
Down
  1. 1. plane
  2. 4. solar cells
  3. 5. medicine vaccines
  4. 6. design bridges
  5. 8. electronic cellphone GPS