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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. Earplug - Wikipedia

    en.wikipedia.org/wiki/Earplug

    See also: Plug (jewellery) Pre-molded earplugs (left), formable earplugs (center), and roll-down foam earplugs (right) An earplug is a device that is inserted in the ear canal to protect the user's ears from loud noises, intrusion of water, foreign bodies, dust or excessive wind. Since they reduce the sound volume, earplugs may prevent hearing ...

  4. Hearing conservation program - Wikipedia

    en.wikipedia.org/wiki/Hearing_conservation_program

    The National Institute for Occupational Safety and Health (NIOSH) has created a checklist to help evaluate the effectiveness of a hearing conservation program. It can be found on their website. NIOSH recommends that fewer than 5% of exposed employees should have a 15 dB significant threshold shift in the same ear and same frequency.

  5. Noise-induced hearing loss - Wikipedia

    en.wikipedia.org/wiki/Noise-induced_hearing_loss

    Otorhinolaryngology, audiology. Noise-induced hearing loss ( NIHL) is a hearing impairment resulting from exposure to loud sound. People may have a loss of perception of a narrow range of frequencies or impaired perception of sound including sensitivity to sound or ringing in the ears. [ 1] When exposure to hazards such as noise occur at work ...

  6. Where to Find the Best NIOSH-Approved KN95, N95 and ... - AOL

    www.aol.com/where-best-niosh-approved-kn95...

    The Kimberly-Clark Professional N95 Pouch Respirator is NIOSH-approved and comes with 50 per package. They are white, have a pouch design and two blue headbands to secure the mask. These masks are ...

  7. Occupational hearing loss - Wikipedia

    en.wikipedia.org/wiki/Occupational_hearing_loss

    Occupational hearing loss ( OHL) is hearing loss that occurs as a result of occupational hazards, such as excessive noise and ototoxic chemicals. Noise is a common workplace hazard, and recognized as the risk factor for noise-induced hearing loss and tinnitus but it is not the only risk factor that can result in a work-related hearing loss. [2]

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