or in doctor

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Across
  1. 2. important, serious, or significant
  2. 4. an imaginary line drawn in the middle of the two poles
  3. 7. a writer of a book, article, or document
  4. 12. elimination of vermin and insects
  5. 13. a person visiting someone or somewhere
  6. 15. a person who collects things of a specific type
  7. 16. a person who discusses something, usually a story
  8. 18. an area that is different from others
  9. 19. a machine for a vehicle or for another device with moving parts
Down
  1. 1. an accredited diplomat sent by a place that represents that place
  2. 3. a machine used to control the heart rate of people when required
  3. 5. an influence that contributes to a result
  4. 6. a foot pedal, which controls the speed of a vehicle's engine
  5. 8. a person whose profession is acting on the stage, in films, or on television
  6. 9. a device which detects or measures movement
  7. 10. a surface, typically of glass which reflects an image
  8. 11. older or more experienced people
  9. 14. an official employed to ensure that regulations are obeyed
  10. 17. a mistake