Engineering Scavenger Hunt

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Across
  1. 3. Human insulin
  2. 4. Portable water
  3. 8. Edible rice paper
  4. 12. Steam engine
  5. 14. Walkie-talkies
  6. 15. Elevators
  7. 16. tools
Down
  1. 1. Drones
  2. 2. Artificial organs
  3. 5. Electricity
  4. 6. LEDs
  5. 7. Form-based zoning
  6. 9. Coal and Gold
  7. 10. artificial intelligence (AI)
  8. 11. Heat exchanger
  9. 13. Windmills