tokoh dan penemuan

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Across
  1. 4. charles babbage
  2. 6. ruth handler
  3. 7. lonnie johnson
  4. 11. george crum
  5. 13. edward jenner
  6. 15. Garett morgan
  7. 16. sinar ultraviolet untuk memurnikan air
Down
  1. 1. elizabeth maggie
  2. 2. mary anderson
  3. 3. the wright brothers
  4. 5. ann tsukamoto
  5. 8. louis pasteur
  6. 9. alexander graham bell
  7. 10. steve jobs
  8. 12. stephanie kwolek
  9. 14. alexander fleming