what are they ?

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Across
  1. 2. I check and fix your teeth.
  2. 5. I help people in danger in the water.
  3. 8. I sing songs.
  4. 10. I take pictures with a camera.
Down
  1. 1. I put out fires and help people.
  2. 3. I teach pupils at school.
  3. 4. I play musical instruments.
  4. 6. I grow vegetable and take care of animal in farm
  5. 7. I fly an aeroplane.
  6. 9. I cook food in a restaurant.