The science of vacation

12345678910111213141516171819202122232425262728293031
Across
  1. 2. Serving a useful purpose or helping to improve.
  2. 3. A device that regulates the flow of liquids or gases.
  3. 6. Not practical or achievable.
  4. 10. Systematic investigation to establish facts.
  5. 12. Strong beliefs about what will happen in the future.
  6. 14. A pledge or dedication to a cause or activity.
  7. 17. Related to sight or the ability to see.
  8. 19. A structure for conveying water, often over long distances.
  9. 22. To narrow or tighten.
  10. 23. Objects kept as reminders of events or experiences.
  11. 27. Thorough and exacting.
  12. 28. The lack or denial of something essential.
  13. 29. The process of taking advantage of an opportunity.
  14. 30. A way of doing something.
  15. 31. Economic activity concerned with the processing of raw materials.
Down
  1. 1. The act of expecting or looking forward to something.
  2. 4. Force exerted on an object or surface.
  3. 5. A prestigious award in journalism, literature, and music.
  4. 7. To raise to a higher position or level.
  5. 8. Pertaining to the heart and blood vessels.
  6. 9. The state of possessing something.
  7. 11. To set free or let go.
  8. 13. A person who has achieved victory.
  9. 15. Based on personal accounts rather than facts or research.
  10. 16. Something given as a reward for achievement.
  11. 18. The way something is understood or interpreted.
  12. 20. A condition that disrupts normal bodily functions.
  13. 21. Full of bends and turns.
  14. 24. A person who is gaining knowledge or skill.
  15. 25. A pathway for traveling, typically for vehicles.
  16. 26. A sentimental longing for the past.