engineers

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Across
  1. 3. air conditioning
  2. 6. Steam Engines
  3. 8. they invented COVID-19 Vaccines
  4. 9. maintains electricity
Down
  1. 1. 3D printing
  2. 2. They make medicine
  3. 4. Bionic exoskeleton.
  4. 5. rocket ships
  5. 7. Robots