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, impaired cognitive perception of sound, or other impairment, including sensitivity to sound or ringing in the ears. Hearing may dete
DurationNoise-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, impaired cognitive perception of sound, or other impairment, including sensitivity to sound or ringing in the ears.
Hearing may deteriorate gradually from chronic and repeated noise exposure, such as loud music or background noise, or suddenly, from a short high intensity noise such as a gunshot or air horn. In both types, loud sound over stimulates delicate hearing cells, leading to the permanent injury or death of the cells.
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Occupational Health & Safety Training (ohst) is a fully accredited SETA institute and with further accreditations with the National Department of Labour (DOL) and the National Department of Transport (DOT).
Occupational Health & Safety Training (OHST) is a Level 1 BBBEE company, 135% and offers the highest quality training at very competitive prices.
Occupational Health & Safety Training (OHST) is a corporate member of the South African Institute of Safety & Health (SAIOSH), one of the largest Health & Safety Institutes in South Africa.
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