Engineers

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Across
  1. 2. They created smart/sensor-equipped tools
  2. 4. People do this with planes
  3. 6. They created floating wind turbines
  4. 8. They convert raw materials into fuel
  5. 9. They created airlocks for labs
  6. 12. They created energy floors
  7. 14. They make machines to extract oil
  8. 15. There was a large revolution in this
  9. 16. Uses the Earth's heat to create energy
  10. 18. They can build systems used in machines
  11. 19. They help make a building stable
  12. 20. Created dams to use water for power
Down
  1. 1. They created stop lights
  2. 3. They create pharmaceuticals
  3. 5. They make remotely detonated explosives for extracting minerals
  4. 7. Refines oil
  5. 10. They create robots
  6. 11. They design houses
  7. 13. They designed a very powerful bomb
  8. 17. Uses a certain type of energy to power things