• A Study on the Noise Pollution in Assuit Cement

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  • A Guide to Bearing Noise and Vibration

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  • Noise Exposure and Hearing Capabilities of Quarry Workers

  • All the machines used at the various quarries produced noise that exceeded the minimum threshold with levels ranging from 855 dBA to 1027 dBA 176 44 of study respondents had hearing threshold higher than 25 dBA 18 and 2 of these were moderately 4155 dBA and severely 7190 dBA impaired respectively
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  • Noise Rating Aggregate Crushing

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  • Skullcandy Crusher Review Trusted Reviews

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