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- Hazards and exposures:
- Moving objects
- Document types:
- Information Circulars
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2/1/2010 - Information CircularsThis report describes a study of operator movement relative to the motion of a roof bolting machine boom arm. This work was aimed at reducing the risk of injury to underground coal mine workers from moving machinery.
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5/1/2005 - Information CircularsThis report examines the boom arm vertical speed for roof bolting machines to study a moving boom arm appendage at different speeds during different work scenarios. The goal of this study is to determine the impact of the appendage speed on the likeliho...
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Content source: National Institute for Occupational Safety and Health, Mining Program