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Title: Senate Square, St. Petersburg, December 14, 1825: repression of the troop mutiny - watercolor by Carl Ivanovitch Kollman, 1825 depicts Decembrist uprising clashing with cavalry, with spectators watching. (new style December 26, 1825) Europe. Saint
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use of diatomaceous earth

  • In diatomaceous earth

    …is as a filler or extender in paper, paint, brick, tile, ceramics, linoleum, plastic, soap, detergent, and a large number of other products. It also is used in the insulation of boilers, blast furnaces, and other devices in which high temperatures are maintained; at temperatures higher than 525° C (about…

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