How the Ear Works 1950s

Work-related hearing loss continues to be a critical workplace safety and health issue. The National Institute for Occupational Safety and Health (NIOSH) and the occupational safety and health community named hearing loss one of the 21 priority areas for research in the 21st century. Noise-induced hearing loss is 100 percent preventable but once acquired, hearing loss is permanent and irreversible. If you must shout to be heard three feet away, you are likely being

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