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2. Hearing protection device - Wikipedia

   en.wikipedia.org/wiki/Hearing_protection_device

   Dual hearing protection refers to the use of earplugs under ear muffs. This type of hearing protection is particularly recommended for workers in the mining industry because they are exposed to extremely high noise levels, such as an 105 dBA TWA. [25] [26]} Fortunately, there is an option of adding electronic features to dual hearing protectors ...

3. Hearing conservation program - Wikipedia

   en.wikipedia.org/wiki/Hearing_conservation_program

   Hearing conservation programs [1] are programs that should reduce the risk of hearing loss due to hazardous noise exposure, if implemented correctly and with high quality. . Hearing conservation programs require knowledge about risk factors such as noise and ototoxicity, hearing, hearing loss, protective measures to prevent hearing loss at home, in school, at work, in the military and, and at ...

4. H.E.A.R. - Wikipedia

   en.wikipedia.org/wiki/H.E.A.R.

   H.E.A.R. is a non-profit organization dedicated to preventing hearing loss, mainly from loud rock music. The acronym stands for Hearing Education and Awareness for Rockers. It was founded in 1988 by rock musician Kathy Peck and physician Flash Gordon, M.D. [1] after Kathy developed tinnitus and hearing loss after playing with the band The ...

5. Silencer (firearms) - Wikipedia

   en.wikipedia.org/wiki/Silencer_(firearms)

   Hunters using centerfire rifles find silencers bring various important benefits that outweigh the extra weight and resulting change in the firearm's center of gravity. The most important advantage of a suppressor is the hearing protection for the shooter as well as his or her companions.

6. Earplug - Wikipedia

   en.wikipedia.org/wiki/Earplug

   This protects hearing, but allows one to hear normally when sounds are in safe ranges – for example, have a normal conversation in a low-noise situation, but be protected from sudden loud noises, for example at a construction site or a while hunting.

7. Hearing protection fit-testing - Wikipedia

   en.wikipedia.org/wiki/Hearing_protection_fit-testing

   Hearing protector fit-testing is a method that measures the degree of noise reduction obtained from an individual wearing a particular hearing protection device (HPD) - for example, a noise canceling earplug or earmuff. Fit testing is necessary because noise attenuation varies across individuals.