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2. Hearing protection device - Wikipedia

   en.wikipedia.org/wiki/Hearing_protection_device

   A hearing protection device, also known as a HPD, is an ear protection device worn in or over the ears while exposed to hazardous noise and provide hearing protection to help prevent noise-induced hearing loss. HPDs reduce the level of the noise entering the ear.

3. Can You Catch Coronavirus From Swimming? - AOL

   www.aol.com/catch-coronavirus-swimming-151734294...

   As far as health experts know, the novel coronavirus doesn’t spread through water in pools, hot tubs, or water playgrounds, according to the Centers for Disease Control and Prevention.

4. Myringotomy - Wikipedia

   en.wikipedia.org/wiki/Myringotomy

   However, protection such as cotton covered with petroleum jelly, ear plugs, or ear putty is recommended for swimming in dirty water (lakes, rivers, oceans, or non-chlorinated pools) to prevent ear infections. For bathing, shampooing, or surface-water swimming in chlorinated pools, no ear protection is recommended.

5. Earplug - Wikipedia

   en.wikipedia.org/wiki/Earplug

   Using both ear muffs (whether passive or active) and earplugs simultaneously results in maximum protection, but the efficacy of such combined protection relative to preventing permanent ear damage is inconclusive, with evidence indicating that a combined noise reduction ratio (NRR) of only 36 dB (C-weighted) is the maximum possible using ear ...

6. To mask or not to mask: confusion spreads over coronavirus ...

   www.aol.com/news/2020-01-31-to-mask-or-not-to...

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7. Earmuffs - Wikipedia

   en.wikipedia.org/wiki/Earmuffs

   Two people wearing behind-the-neck earmuffs. Thermal earmuffs are worn for protection from the cold. Because the ears extend from the sides of the head to gather sound waves, they have a high skin surface-area-to-volume ratio, and very little muscle tissue, causing them to be one of the first body parts to become uncomfortably cold as temperatures drop.

8. Opinion: The simple reason why so many adults can’t swim - AOL

   www.aol.com/opinion-teaching-swimming-adults...

   Melon Dash has been teaching swimming to adults afraid to get into the water for decades, in a world where swim instruction focuses mostly on kids. But three out of four drowning deaths involve ...

9. Noise-induced hearing loss - Wikipedia

   en.wikipedia.org/wiki/Noise-induced_hearing_loss

   A video describing proper usage of soft foam earplugs. NIHL can be prevented through the use of simple, widely available, and economical tools. This includes but is not limited to personal noise reduction through the use of ear protection (i.e. earplugs and earmuffs), education, and hearing conservation programs.