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