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Twelfth Meeting

06 Jun

Today on May 7, 2012, in English For IT II I learned about Noise, and the following is a summary : Although noise, generally defined as unwanted sound, is a widely recognized form of pollution, it is very difficult to measure because of the discomfort experienced by different individuals is highly subjective and therefore variable. Exposure to low levels of noise may be a little mimic, whereas exposure to higher levels can actually cause hearing loss. Unlike the eye, which can be covered by the eyelid against strong light, the ear has not closed, and therefore, always open and vulnerable; noise penetrates without protection.

 
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Ditulis oleh pada Juni 6, 2012 in Uncategorized

 

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