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Showing 1 to 1 of 1 for “"concealed fire"”.
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The Measurement of Decomposition Products of Select Gases as an Indicator of a Concealed Mine Fire
… used to determine whether or not there is a concealed fire in an inaccessible area of a coal mine are not definitive. Inaccessible areas of coal mines include: 1. A mined-out area, such as a long-wall gob. 2. A mine area, or entire mine, that has been sealed to extinguish a fire. 3. The …