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Across
  1. 5. Arithmetic device
  2. 8. Ancient invention
  3. 9. Infection prevention
  4. 10. Pressure measure
  5. 11. Machine part
  6. 14. Navigation tool
  7. 18. Writing material
  8. 19. Nobel’s invention
  9. 20. Mendeleev's table
  10. 23. Medical instrument
  11. 24. Infection treatment
  12. 25. Video broadcast
Down
  1. 1. Bacteria-killing drug
  2. 2. Building material
  3. 3. Disease prevention
  4. 4. Synthetic materials
  5. 6. Temperature measure
  6. 7. Detection system
  7. 12. Curie’s discovery
  8. 13. Space travel
  9. 15. Fabric stitching device
  10. 16. Sun-centered model
  11. 17. Sound recording
  12. 21. Magnetic discovery
  13. 22. Glowing gas