Jobs and more jobs

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Across
  1. 2. Saves people from Conflagrations
  2. 4. A politically active person
  3. 6. Enforces the Law
  4. 8. Treats and Examines pets
  5. 9. Specialises in computer science
Down
  1. 1. Is a person who practises the Law
  2. 3. Examines Women
  3. 5. Helps people with their mental disorders
  4. 7. One thing he does is experiment