occupation

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Across
  1. 3. someone who designs buildings
  2. 5. someone who involves in business
  3. 7. someone who helps to put out fires
  4. 8. someone who creates arts
  5. 9. someone who do researches and explorations in a particular area
Down
  1. 1. someone who teaches students at a high level and do researches
  2. 2. someone who serves to maintain law and protects people
  3. 4. someone who drives a train
  4. 6. someone who helps sick people
  5. 10. someone who plans the menu and prepares food