A variety of occupations

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Across
  1. 4. making a choreography
  2. 6. specializes in science
  3. 9. crime prevention,inverstigation and suspect arrest
  4. 10. treats animals with various diseases
  5. 11. teaching students to study
Down
  1. 1. specializes in mathematics
  2. 2. draws using a variety of tools
  3. 3. puts out or prevents a fire
  4. 5. flies in space
  5. 6. singing on stage with a microphone
  6. 7. treats the sick and prescribers medicine
  7. 8. creates non-existent content and writes it in writing