Elevator Brakes

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Across
  1. 3. The OTHER Otis
  2. 5. This thing stops the rope from breaking, and the car from crashing
  3. 6. ______ ________ needed a hoist to be built
  4. 8. Friends who do stuff together, yoU and me, aNywhere and aNytime at all (This crossword was ___)
  5. 9. Where Otis displayed his invention (With the apostrophe of course (:)
  6. 10. The city where the brake was invented
Down
  1. 1. the condition of being protected from or danger, risk, or injury
  2. 2. ______________ elevators in the USA
  3. 4. The inventor of the elevator brake
  4. 7. Used to ascend and descend a building fast