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Decibel - do you know how much we usually do?
Sep 28, 2017
Cosmic volume -254dB absolutely silent
0-20 dB very quiet, almost feel;
20 -40 decibels quiet, like a whisper;
40 -60 decibels in general, ordinary indoor conversation;
60 -70 decibels noisy, detrimental to nerves;
70 -90 dB is noisy, nerve cells are damaged.
90 -100 decibels noisy intensified, hearing impaired;
100 -120 decibels unbearable, stay for a minute that is temporarily deaf.
More than 120 decibels are deaf or deaf
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