Invention Crossword Puzzle

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Across
  1. 3. fly
  2. 6. Rail
  3. 7. photo
  4. 9. heat
  5. 10. robot
  6. 11. watch
  7. 12. music
Down
  1. 1. Coke
  2. 2. call
  3. 4. wind
  4. 5. skate
  5. 8. chocolate