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<blockquote data-quote="Hennie" data-source="post: 60529" data-attributes="member: 20"><p>On the other hand there seem to be no laws protecting the public inside stadiums, whereas workers in industry at least enjoy legal protection and recourse.</p><p></p><p>Another difference : The most common problem in industry is continuous noise, but usually at a much lower level. Vuvuzelas inside a stadium have been measured at 142dB, much the same as a jet engine at 1m during take-off. AFAIK this is 20dB above the level that causes instantaneous hearing damage. Few continuous noise sources in heavy industry approach that. Impulse noise in a few cases perhaps, but continuous, no.</p></blockquote><p></p>
[QUOTE="Hennie, post: 60529, member: 20"] On the other hand there seem to be no laws protecting the public inside stadiums, whereas workers in industry at least enjoy legal protection and recourse. Another difference : The most common problem in industry is continuous noise, but usually at a much lower level. Vuvuzelas inside a stadium have been measured at 142dB, much the same as a jet engine at 1m during take-off. AFAIK this is 20dB above the level that causes instantaneous hearing damage. Few continuous noise sources in heavy industry approach that. Impulse noise in a few cases perhaps, but continuous, no. [/QUOTE]
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