Inventions

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Across
  1. 3. sewing machine
  2. 6. pen
  3. 7. airplane
  4. 8. car
  5. 11. telegraph
Down
  1. 1. telephone
  2. 2. computer
  3. 4. typewriter
  4. 5. vaccine
  5. 9. light bulb
  6. 10. radio