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stone-dust barrier |
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stone-dust barrier [′stōn ¦dəst ′bar·ē·ər] (mining engineering) A device erected in mine roadways to arrest explosions; consists of trays or vee troughs loaded with stone dust, which are upset or overturned by the pressure wave in front of an explosion and the flame, producing a dense cloud of inert dust which blankets the flame and stops further propagation of the explosion. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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