- drill ring
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веер
English-Russian dictionary of geology. 2011.
drill ring
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Napkin ring problem — If a hole of height h is drilled straight through the center of a sphere, the volume of the remaining band does not depend on the size of the sphere. For a larger sphere, the band will be thinner but longer. In geometry, it is somewhat surprising … Wikipedia
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tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening … Universalium
Texas A&M University — ] All cadets, except those who are married or who have had previous military service, must live in the Quad with assigned roommates from the same unit and graduating class. Reveille, the Aggie mascot, lives with her handlers in the… … Wikipedia
List of Kinnikuman characters — The following is a list of characters from the manga/anime series Kinnikuman. The characters are listed by story arc appearance order. Contents 1 Monster Extermination Chapter 2 20th Choujin Olympics Chapter 3 American Tour Chapter … Wikipedia
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
