Inventions HFJ

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Across
  1. 5. printing press
  2. 7. tablet computer
  3. 11. fireworks
  4. 12. computer
Down
  1. 1. paper
  2. 2. light bulb
  3. 3. telephone
  4. 4. candle
  5. 6. smartphone
  6. 8. airplane
  7. 9. robot
  8. 10. bicycle