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Across 1. a rod or shaft around which some other part rotates or swings 4. the small flat surface of a stone, or a gem 8. not good or bad 12. lively, or active 14. careful attention to one's job 16. to find not guilty or free from charge 18. wise or showing keen judgement 20. a mound of earth used to prevent flooding or to support a roadway

Down 2. a completely empty space 3. a person who examines materials to remove parts that do not meet a set of standards 5. to grow well or thrive 6. worthy of notice or remarkable 7. resistance 9. to send off 10. ready to fight; angry 11. a mischievous person or animal 13. to hesitate to give or admitting something 15. to list one by one 17. pulled or drawn tight 19. type or kind