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Mercury Free Batteries
The batteries that you are using in your hearing aids are zinc air bat- teries and I was surprised to learn recently that they have about 10% mercury in them. The battery manufacturers have all…
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Hearing Protection Devices
If you must be exposed to loud noise, wearing hearing protec- tion in the form of earplugs or earmuffs is recommended. The least expensive type of hearing protection is the foam plug that you can…