ШУМ OSHA 41.jpg
US Occupational Health and Safety Administration
en
ШУМ OSHA 41, Occupational safety and health, Hearing, Noise
commons
ja
OSHA41、労働安全衛生、聴覚、騒音
commons_translated
occupational safety and health administration occupational hazard background noise noise hearer auditory perception hearing aural