ШУМ OSHA 8J.03.jpg
US Occupational Health and Safety Administration
en
ШУМ OSHA 8J.03, Occupational safety and health, Hearing, Noise
commons
ja
OSHA 8J.03、労働安全衛生、聴覚、騒音
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occupational safety and health administration background noise occupational hazard noise hearer auditory perception hearing aural