Autonomous Cars

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Across
  1. 2. we live in the 21th...
  2. 3. synonym of disadvantage
  3. 8. adding a component or feature to something that did not have it when it was manufactured
  4. 9. the fact that something die someday
  5. 10. people who walk on the sidewalk are...
  6. 12. when something is popular, it is...
  7. 13. a statement which could happen in the future forecast
  8. 14. senior citizens or older people in general are..
Down
  1. 1. synonym of compulsory
  2. 4. if you do more then the main part need
  3. 5. synonym of skeptical, cautious
  4. 6. if you do something in the right way and follow the rules
  5. 7. structure and combination of intersections, lanes, traffic lights and signs
  6. 11. cracks and holes in the street caused by erosion and heavy vehicles