ШУМ OSHA 8J.06.jpg
US Occupational Health and Safety Administration
en
ШУМ OSHA 8J.06, Occupational safety and health, Hearing, Noise
commons
ja
OSHA 8J.06、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