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2. Earplug - Wikipedia

   en.wikipedia.org/wiki/Earplug

   They may cause earwax to build up and plug the outer ear, since it blocks the normal flow of earwax outwards. [56] This can result in tinnitus, hearing loss, discharge, pain or infection. [56] Excess earwax should be carefully removed from the ear, and earplugs should be cleaned regularly with water and mild soap. However, foam type earplugs ...

3. Hearing protection device - Wikipedia

   en.wikipedia.org/wiki/Hearing_protection_device

   Various earmuff hearing protectors. Sound levels of some daily activities. 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.

4. Noseclip - Wikipedia

   en.wikipedia.org/wiki/Noseclip

   A noseclip or nose clip is a device designed to hold the nostrils closed to prevent water from entering, or air from escaping, by people during aquatic activities such as kayaking, freediving, [1] recreational swimming, synchronized swimming and waterdance. A nose clip is generally made of plastic or of wire covered in rubber or plastic. Nose ...

5. Bone-anchored hearing aid - Wikipedia

   en.wikipedia.org/wiki/Bone-anchored_hearing_aid

   If the hearing loss is significant an air conduction aid may have difficulty overcoming the dysfunction of the eardrum and middle ear bones. Bone conduction hearing device bypassing the middle ear may be a more appropriate treatment for these patients. Good transmission of sound in the bone, with reduced attenuation and distortion may be possible.

6. Noise-induced hearing loss - Wikipedia

   en.wikipedia.org/wiki/Noise-induced_hearing_loss

   Occupational hearing loss is present in up to 33% of workers overall. [43] Occupational exposure to noise causes 16% of adult disabling hearing loss worldwide. [44] The following is a list of occupations that are most susceptible to hearing loss: [41] Agriculture; Mining; Police; Construction; Manufacturing; Utilities; Transportation; Military ...

7. Hearing protection fit-testing - Wikipedia

   en.wikipedia.org/wiki/Hearing_protection_fit-testing

   Wearing or inserting the hearing protection device correctly so it seals the wearer's ear canal, using the "roll-pull-hold" method for foam earplugs, and ensuring earmuffs create an unbroken seal around each ear. [7] Fit-testing hearing protection can facilitate an appropriate choice of hearing protection, and allow for the professional ...