Safety Puzzle

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Across
  1. 2. Shock
  2. 4. Burn
  3. 5. Water
  4. 6. Hazard
  5. 8. Extinguisher
  6. 14. Horseplay
  7. 15. Accident
  8. 16. Smoke
  9. 18. liquid
  10. 19. Fire
  11. 20. Potential
Down
  1. 1. Housekeeping
  2. 3. Current
  3. 4. Blade
  4. 7. Sharp
  5. 9. Immediate
  6. 10. Electricity
  7. 11. roughhousing
  8. 12. Flammable
  9. 13. Maintenance
  10. 14. Hidden
  11. 17. Eyeprotection