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February 2015
Volume 67    Issue 2

What color are your markers? Color of escapeway markers does make a difference

Mining Engineering, 2015, Vol. 67, No. 2, pp. 22-22
Sammarco, John


PREVIEW:

The mining industry has made great strides in making mining safer and reducing the occurrence of mine disasters. Nevertheless, sometimes miners encounter smoke while trying to escape from a mine. Underground miners use different visual cues to help them escape from a smoke-filled environment. Foremost, miners look for primary and secondary escapeways that are typically indicated with reflective markers of various colors, with at least 11 colors available from manufacturers. Federal regulations require that escapeways be marked, but they do not specify the colors to be used. Thus, no standard color code exists and some colors can be more difficult to see in a smoke-filled mine.



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