Every year, approximately 30 million workers
are exposed to hazardous noise that is often ignored because the harmful
effects of overexposure are typically not visible and develop over an extended
period of time (chronic health hazard). Damage to the ear could also occur from
a single impact noise (explosion), this is an example of an acute hearing loss.
Workers exposed to high noise levels can develop elevated blood pressure,
ringing in the ears (tinnitus), and temporary and/or permanent hearing loss.
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