Periodic table elements

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Across
  1. 2. atomic clocks
  2. 3. earthmovers
  3. 8. sun and stars
  4. 13. bicycles
  5. 14. shells and bones
  6. 17. chemical pipelines
  7. 18. chlorophyll
  8. 19. x-ray diagnosis
  9. 20. Global Navigation
  10. 21. lasers
  11. 23. Fireworks
  12. 24. nuclear submarines
  13. 25. laser atom traps
Down
  1. 1. Lamp filaments
  2. 4. Mag lev trains
  3. 5. salt
  4. 6. Fruits and vegetables
  5. 7. Emeralds
  6. 9. stainless steel
  7. 10. luminous watches
  8. 11. aerospace
  9. 12. Batteries
  10. 15. Cutting tools
  11. 16. springs
  12. 22. Mobile Phones