Lessons in Shooter Safety Other Information |
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From the WEST scientific·clinical |
From the EAST traditional·alternative |
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Lessons in Shooter Safety
... The loudness of a sound is measured in units called decibels (dB). An ordinary conversation is approximately 60 dB; city traffic noise can reach 80 dB; and firearms can reach an ear-piercing 140 to 17...
Source: National Institute on Deafness and Other Communication Disorders
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