SAFETY in engineering

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Across
  1. 4. radiation
  2. 6. danger
  3. 8. electricity
  4. 12. rules
  5. 14. operator
  6. 16. housekeeping
  7. 17. 15seconds
  8. 18. start
Down
  1. 1. maintenance
  2. 2. information
  3. 3. warning
  4. 5. safety
  5. 7. eyeglasses
  6. 9. danger
  7. 10. caution
  8. 11. hazard
  9. 13. fire-extinguisher
  10. 15. tools