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Mine breathing devices to be phased out
CHARLESTON, W.Va. -- Federal regulators are working on a plan to phase out the most commonly used emergency breathing device in the coal-mining industry, but have no timeline for getting hundreds of potentially faulty units out of the mines.
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Mine breathing devices to be phased out
CHARLESTON, W.Va. -- Federal regulators are working on a plan to phase out the most commonly used emergency breathing device in the coal-mining industry, but have no timeline for getting hundreds of potentially faulty units out of the mines.
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