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jack |
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jackTool or machine for lifting, hoisting, or moving heavy weights, such as motor vehicles. A screw jack uses the principle of the screw to magnify an applied effort; in a car jack, for example, turning the handle many times causes the lifting screw to rise slightly, and the effort is magnified to lift heavy weights. A hydraulic jack uses a succession of piston strokes to increase pressure in a liquid and force up a lifting ram. jack
jack
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Losonsky GA, Hasan JAK, Huq A, Kaintuck S, Calwell RR. When a marketer uses branded entertainment to actually sell a product, the entire exercise will fail," according to Jak Severson, the CEO of Madison Road Entertainment. Her best-known project, Bilder aus Traumen: Jak Katarikawe, Uganda (2001) concerns the painter Jak Katarikawe. |
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