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The rise in high-technology underground mining techniques hasn’t come without a cost. Since 1983, 31 miners have been killed in underground mines in accidents involving remote-controlled continuous mining machines. Proximity detection systems — those that can detect the presence of personnel or equipment and are programmed to send warning signals and stop machine movement — have been around awhile, but their use on mobile equipment in underground mines is a fairly new concept. The Mine Safety and Health Administration is seeking feedback from the mining community to determine whether the use of these systems would reduce pinning and crushing injuries and fatalities in underground mines. Read the news release at http://www.dol.gov/opa/media/press/msha/MSHA20100155.htm.