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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. HPDs can also protect against other effects of noise exposure such as tinnitus and ...

3. Hearing conservation program - Wikipedia

   en.wikipedia.org/wiki/Hearing_conservation_program

   The NRR provides the estimated attenuation of the hearing protection device. The NRR obtained in the lab is often higher than the attenuation provided in the field. To determine the amount of noise reduction afforded by a hearing protection device for the A weighted scale, OSHA recommends that 7 dB be subtracted from the NRR. This new NRR ...

4. Earplug - Wikipedia

   en.wikipedia.org/wiki/Earplug

   The OSHA training manual for inspectors says the adequacy of hearing protection for use in a hazardous noise environment should be derated to account for how workers typically wear protection relative to how manufacturers test the protector's attenuation in the laboratory. [41] For all types of hearing protection, OSHA's derating factor is 50%.

5. Earmuffs - Wikipedia

   en.wikipedia.org/wiki/Earmuffs

   Earmuffs that are also hearing protection. Earmuffs refer to two different items. Both items consist of a thermoplastic or metal head-band that fits over the top or back of the head, and a cushion or cup at each end to usually cover both ears. The cups can either be clothing accessories designed to cover a person's ears for warmth or personal ...

6. What's the Best To Protect Your Hearing as You Age? - AOL

   www.aol.com/one-thing-audiologists-never-ever...

   Download free sound level meters to help you determine how much hearing protection you need at a given time. ... Limit the volume on your devices to 75% so that you aren't tempted to make them louder.

7. Personal protective equipment - Wikipedia

   en.wikipedia.org/wiki/Personal_protective_equipment

   v. t. e. Personal protective equipment ( PPE) is protective clothing, helmets, goggles, or other garments or equipment designed to protect the wearer's body from injury or infection. The hazards addressed by protective equipment include physical, electrical, heat, chemical, biohazards, and airborne particulate matter.