BRATTICE - 2 reference results
A brattice is a partition used in mining. It is built between columns of a sub-surface mine to direct air for ventilation. Depending on the type of mine and how the operation is run, brattices can be permanent (concrete block, tailings, or wood) or temporary (cloth). Temporary installations are also called curtains.
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This article is licensed under the GNU Free Documentation License.
Last updated on Monday August 27, 2007 at 12:52:10 PDT (GMT -0700)
View this article at Wikipedia.org - Edit this article at Wikipedia.org - Donate to the Wikimedia Foundation
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