Hearing protectors are devices designed to prevent Noise-Induced Hearing Loss (NIHL), a type of
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Hearing conservation program — Hearing conservation programs are design to prevent noise induced hearing loss. A written hearing conservation program is required by the Occupational Safety and Health Administration (OSHA) “whenever employee noise exposures equal or exceed an 8 … Wikipedia
Hearing impairment — See also: Deaf culture for the social movement.. Deaf and/or hard of hearing Classification and external resources The International Symbol for Deafness … Wikipedia
Earplug — Silicone rubber earplugs for protection against water, dust etc. An earplug is a device that is meant to be inserted in the ear canal to protect the wearer s ears from loud noises or the intrusion of water, foreign bodies, dust or excessive wind … Wikipedia
Exposure action value — An Exposure Action Value (EAV) or Action Value (AV) is a limit set on occupational exposure to noise where beyond those values, employers must take steps to monitor the exposure levels. These levels are measured in decibels. The American… … Wikipedia
ultrasonics — /ul treuh son iks/, n. (used with a sing. v.) the branch of science that deals with the effects of sound waves above human perception. [1930 35; see ULTRASONIC, ICS] * * * Vibrational or stress waves in elastic media that have a frequency above… … Universalium
Don't Lose The Music — Don’t Lose the Music is a national campaign launched by RNID, the charity representing the 9 million deaf and hard of hearing people in the UK. Contents 1 Objectives 2 Events 3 See also 4 References … Wikipedia
NIOSH Power Tools Database — The NIOSH Power Tools Database contains sound power levels, sound pressure levels, and vibrations data for a variety of common power tools that have been tested by researchers. Data are collected for both the unloaded and loaded use of power… … Wikipedia
Astronautical hygiene — is the application of science and technology to the study of the recognition and evaluation of the hazards and the prevention or control of the risks to health while working in a low gravity environment. John R. Cain (UK Government expert) was… … Wikipedia
earplug — Generic term for occlusive devices for the external auditory canal for protection of hearing against noise induced hearing loss or to prevent water from getting into the ear. SEE ALSO: hearing protectors, under protector. * * * ea … Medical dictionary
External acoustic meatus — Infobox Anatomy Name =External acoustic meatus Latin = meatus acusticus externus GraySubject = 229 GrayPage = 1036 Caption = Anatomy of the human ear. Caption2 = Precursor = groove (cleft) of the first branchial arch. [EmbryologyUNC|hednk|022]… … Wikipedia
