Add Yahoo as a preferred source to see more of our stories on Google. Illustrations by Chelsea Conrad/The Washington Post Imagine a deep, static rumble, like the low roar of a jet engine. The sound is ...
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Meta-earplugs reduce booming voice effect, low-frequency rumbling sounds
Workplace hearing loss is one of the most common work-related illnesses. While hearing loss is preventable with earplugs, ...
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