At what dB level is hearing damaged?

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Tags

1. #approximately
2. #called
3. #exposure
4. #above
5. #unlikely
6. #hearing
7. #decibels
8. #lengthy
9. #cause
10. #sounds
11. #however
12. #sound
13. #vacuum
14. #measured
15. #after
16. #repeated
17. #units
18. #extended
19. #level
20. #cleaner