A "'mandrel "'is an object used to shape machined work, a tool component that grips or clamps materials to be machined, or a tool component that can be used to grip other moving tool components
22.
In the test, a patient is asked not to breathe for 20 seconds while lying inside a doughnut-shaped machine called a spiral computerized tomography, or CT, scanner that captures an image six times more sensitive than a standard chest X-ray.
23.
Similar triangular-framed trebutchets are found in Byzantine sources as " labdarea " ( lambda-shaped machines ) and as " Turkish trebuchets " ( manjan + q turk + ) by Mardi ibn Ali al-Tarsusi and the Templar of Tyre.
24.
The device's lineage goes back to the early 1950s, when the Soviet scientists Andrei Sakharov and Igor Tamm proposed the design and named it tokamak _ the Russian acronym for " toroidal magnetic chamber " _ a doughnut-shaped machine that compresses fusion fuel magnetically.
25.
A "'quick return mechanism "'is an apparatus that converts circular motion ( rotating motion following a circular path ) into reciprocating motion ( repetitive back-and-forth linear motion ) in shaping machines, which are utilized to shape stocks of metal into flat surfaces, throughout mechanical engineering.
26.
The development of machine tools, such as the engine lathe, planing, milling and shaping machines powered by these engines, enabled all the metal parts of the engines to be easily and accurately cut and in turn made it possible to build larger and more powerful engines.
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And if you were lucky enough to land an immediate daytime date, chances are it was on Super Bowl Sunday, Easter or some other occasion when no one in their right mind would want to squeeze inside a donut-shaped machine with magnets pounding in their ears.
28.
The concept for demining using the dandelion-shaped machine works in theory, particularly in open desert areas where the wind blows freely, but it could cause more problems in terms of retrieval and maintenance once it was damaged in the middle of a minefield, says Henk van der Slik of the Dutch Explosive Ordnance Disposal organization.
29.
Cook also informs us that Schauberger s designs had been stolen by Heinkel in the early part of the war; that he had worked on secret projects for the Nazis from 1941-45, sometimes using slave labour; that he had created, specifically for the SS, disc-shaped machines with engines so revolutionary that even Cook, an aviation journalist, fails to explain how they worked ."
