ШУМ OSHA 38.jpg
US Occupational Health and Safety Administration
en
ШУМ OSHA 38, Occupational safety and health, Hearing, Noise
commons
ja
OSHA 38、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 aural hearing