Solve the crossword

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Across
  1. 2. officer a person who catches criminals
  2. 6. a person who conducts experiments
  3. 7. a person who works in the IT sphere
  4. 10. a person who looks after kids
Down
  1. 1. a person who works at school
  2. 3. a person who treats people
  3. 4. a person who brings food
  4. 5. a person who puts down fire
  5. 8. a person who helps a doctor
  6. 9. a person who helps animals