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Noise “R” Us: The evolution of noisy toys

Twenty Thousand Hertz

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Children's Ears Are Just as Often Damaged as Adults Do

The National Institute of Occupational Health and Safety regulates how loud toys can be. Toys cannot produce a sound that reaches more than 85 decibels from 30 centimeters or about one foot. That's approximately the same noise level as a busy restaurant or a semi-truck passing by.

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