Fan blade

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Across
  1. 3. a social person
  2. 5. a library person
  3. 8. an essential person
  4. 9. a special person
  5. 11. a musical person
  6. 13. a technical person
  7. 15. an optical person
  8. 16. a spatial person
  9. 17. a funny person
  10. 18. a person who guards
Down
  1. 1. a crucial person
  2. 2. an official person
  3. 4. a partial person
  4. 6. a beautiful person
  5. 7. an electrical person
  6. 10. a martial person
  7. 12. a racial person
  8. 14. a commercial person
  9. 19. an initial person