ШУМ OSHA 36.jpg
US Occupational Health and Safety Administration
en
ШУМ OSHA 36, Occupational safety and health, Hearing, Noise
commons
ja
OSHA 36、労働安全衛生、聴覚、騒音
commons_translated
occupational safety and health administration background noise occupational hazard noise hearer auditory perception hearing aural