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Sheave without a rope. A pulley is a wheel on an axle or shaft enabling a taut cable or belt passing over the wheel to move and change direction, or transfer power between itself and a shaft.
Sheev Palpatine is a fictional character in the Star Wars franchise. He first appeared in the 1980 film The Empire Strikes Back as The Emperor.He is also known by his Sith name, Darth Sidious, which was first used in the novelization of the 1999 film The Phantom Menace.
Wheat sheaves near King's Somborne.Here the individual sheaves have been put together into a stook ("stooked") to dry. A sheaf of grain on a plaque Sheafing machine. A sheaf (/ ʃ iː f /; pl.: sheaves) is a bunch of cereal-crop stems bound together after reaping, traditionally by sickle, later by scythe or, after its introduction in 1872, by a mechanical reaper-binder.
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A block and tackle [1] [2] or only tackle [3] is a system of two or more pulleys with a rope or cable threaded between them, usually used to lift heavy loads.. The pulleys are assembled to form blocks and then blocks are paired so that one is fixed and one moves with the load.
Eccentric bottom bracket on a Burley tandem bicycle held in place with two set screws. The term is also used to refer to the device often used on tandem bicycles with timing chains, single-speed bicycles with a rear disc brake or an internal-geared hub, or any bicycle with vertical dropouts and no derailleur, to allow slight repositioning, fore and aft, of a bottom bracket to properly tension ...
In mathematics, sheaf cohomology is the application of homological algebra to analyze the global sections of a sheaf on a topological space.Broadly speaking, sheaf cohomology describes the obstructions to solving a geometric problem globally when it can be solved locally.
Wheat sheaves near King's Somborne, England arranged into a stook. Stooking maize in Kenya.. A stook /stʊk/, also referred to as a shock or stack, [1] is an arrangement of sheaves of cut grain-stalks placed so as to keep the grain-heads off the ground while still in the field and before collection for threshing.