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Why is Noise a Health & Safety issue ?

Health ISSUE noise safety
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Why is Noise a Health & Safety issue ?

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The ear is a marvellous piece of engineering by nature. It has a huge dynamic range (it can pick up the quietest of whispers as well as very loud noises). However, exposure to loud noises like drills or discos, can result in the temporary loss of the ability to hear quiet sounds. This is known as temporary threshold shift. This happens because the ear’s sensitivity decreases to compensate for the continous loud noise. The ear normally recovers it’s sensitivity a few hours after the noise has stopped. For example, people coming out of a music concert shout because their hearing is temporarily affected. Persistent exposure to noisy machinery or loud music can result in a permanent threshold shift. This is known as noise-induced hearing loss. This occurs gradually and often goes unnoticed by the sufferer for a long time. However, this loss of hearing is permanent. Some sounds are very dangerous and can cause instant and permanent hearing loss by causing damage to the ear. Because of this

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