1920/30's new inventions/technoligy

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Across
  1. 2. ________ helped the police
  2. 4. ________ that was invented by Jacob Schick in 1931
  3. 6. New _____ helped the world
  4. 7. ____________helped people watch shows or sports
  5. 9. ______changed the way to listen to music or any other entertainment
Down
  1. 1. ________changed the way to get around the town
  2. 3. ________is the new cure to the flu or other diseases
  3. 5. ____ Changed the world
  4. 8. An ________ can move planes tractors and many other mahines