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Across
  1. 2. Navigation aid
  2. 3. Proto-chemistry
  3. 8. Distance measure
  4. 9. Farming blades
  5. 10. Extracting device
  6. 12. Art form
  7. 16. Light source
  8. 18. Turning handle
  9. 21. Early writing
  10. 23. Farming tool
  11. 24. Ancient ship
  12. 25. Liquid refining
Down
  1. 1. Siege weapon
  2. 4. Sumerian script
  3. 5. Projectile weapon
  4. 6. Sun shade
  5. 7. Metalworking tool
  6. 11. Stitching tool
  7. 13. Flint tool
  8. 14. Yarn craft
  9. 15. Transport wheel
  10. 17. Engine part
  11. 19. Lifting device
  12. 20. Light carrier
  13. 22. Gripping tool