What do you do?

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Across
  1. 2. I work with teeth
  2. 4. I work in a police station
  3. 8. I work in a school
  4. 9. I make things from wood
Down
  1. 1. I put out fires
  2. 3. I sing
  3. 4. I fly an airplane
  4. 5. I work in a hospital
  5. 6. I work on a farm
  6. 7. I go to school
  7. 9. I wear a hat and I cook