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Unstable Conditions. Where a trench, during or after excavation, tends to collapse or cave in, it is considered unstable. If the trench is located, for instance, in a ...
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Asbestos MSDS Information and Complete Public Health Statement Asbestos MSDS, or Material Safety Data Sheet, plus complete health related exposure information is ...
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Fine and coarse aggregates make up the bulk of a concrete mixture. Sand, natural gravel, and crushed stone are used mainly for this purpose. Recycled aggregates (from ...
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A Aframe A wooden or metal rack constructed in the shape of an "A" on which large stone slabs are shipped and stored. Abate To cut away so as to leave parts in ...
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Simandl,, Paradis, S. and Birkett, T. (1999): Schisthosted Emeralds; in Selected British Columbia Mineral Deposit Profiles, Volume 3, Industrial Minerals, ...
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roads and highways: traveled way on which people, animals, or wheeled vehicles move. In modern usage the term road describes a rural, lesser traveled way, while the ...
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DACITE – A finegrained, extrusive (volcanic) rock, intermediate in color and composition between basalt and rhyolite. DAMPPROOFING – One or more coatings of a ...
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Refer to Demonstration 2. The choice of aggregate is determined by the proposed use of the concrete. Normally sand, gravel, and crushed stone are used as aggregates ...
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The second lesson of Pit Quarry University focuses on site selection and plant design for your aggregates operation.
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Silicon is a chemical element with symbol Si and atomic number 14. A hard and brittle crystalline solid with a bluegray metallic luster, it is a tetravalent metalloid.
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