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11
what is the weakest sound that can be heard?
nomral conversation?
hearing loss with sustained exposure?
hearing loss with short therm exposure?
nomral conversation?
hearing loss with sustained exposure?
hearing loss with short therm exposure?
0 dB
Normal conversation 60-70 dB
Hearing loss with sustained exposure @ 90-95 dB
Hearing loss with short term exposure @ 140 dB
