case drain hole

  • 1black hole — Astron. a theoretical massive object, formed at the beginning of the universe or by the gravitational collapse of a star exploding as a supernova, whose gravitational field is so intense that no electromagnetic radiation can escape. * * * Cosmic… …

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  • 2Black Hole — 1. Also called Black Hole of Calcutta. a small prison cell in Fort William, Calcutta, in which, in 1756, Indians are said to have imprisoned 146 Europeans, only 23 of whom were alive the following morning. 2. (l.c.) any usually wretched place of… …

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  • 3Honda CX series — Infobox Motorcycle name = CX series aka = manufacturer = Honda parent company = production = 1978–1983 predecessor = successor = GL500 Silverwing, ST series (influenced) class = engine = 500–673 cc water cooled longitudinal OHV 80° V twin, 4… …

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  • 4SEFA — The SEFA is a make of backpack industrial breathing set formerly made by Sabre Safety. It is an oxygen rebreather. SEFA is an acronym for Selected Elevated Flow Apparatus .DescriptionIt is in a shiny backpack stainless steel sheet casing with… …

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  • 5tunnels 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 …

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  • 6Transistor — For other uses, see Transistor (disambiguation). Assorted discrete transistors. Packages in order from top to bottom: TO 3, TO 126, TO 92, SOT 23 A transistor is a semiconductor device used to amplify and switch electronic signals and power. It… …

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  • 7Landslide mitigation — Landslides can be triggered by many often concomitant causes. In addition to shallow erosion or reduction of shear strength caused by seasonal rainfall, causes triggered by anthropic activities such as adding excessive weight above the slope,… …

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  • 8Coriolis effect — For the psychophysical perception effect, see Coriolis effect (perception). Classical mechanics Newton s Second Law …

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  • 9Electron mobility — This article is about the mobility for electrons and holes in metals and semiconductors. For the general concept, see Electrical mobility. In solid state physics, the electron mobility characterizes how quickly an electron can move through a… …

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  • 10List of problems solved by MacGyver — This is a list of problems that have been solved by the fictional character MacGyver from the television series of the same name. (This list is not yet comprehensive.) MacGyver employs his resourcefulness and his knowledge of chemistry,… …

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