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A Noise Control For A Roof Bolting Machine: Collapsible Drill Steel Enclosure
  • Published Date:
    1/1/2008
Filetype[PDF-458.85 KB]


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    Corporate Authors:
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    Published Date:
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    DHHS publication ; no. (NIOSH) 2008–146
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    Exposure to excessive noise over time can cause permanent hearing loss. Workers in the mining industry are frequently exposed to A-weighted sound levels in excess of 90 dB. The A-weighted sound level at the roof bolter operator’s location can excee...
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