Posts by Protection 4 Hearing
Did you know that the recommended time for exposure to sound
Did you know that the recommended time for exposure to sound levels of 97dB is just 30 minutes. As a guide... • A whisper = approx. 30dB • Normal...
Did you know that the recommended time for exposure to sound levels of 97dB is just 30 minutes. As a guide... • A whisper = approx. 30dB • Normal...
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