crack arrester

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crack arrester — noun 1. : a plate on a ship riveted over a crack in another plate or over a stressed area where a crack might start 2. : a hole drilled or a slot cut at the apex of a crack in the plate of a ship to stop the crack from spreading or at a point of… … Useful english dictionary
de Havilland Comet — This article is about the jet airliner. For the 1930s racing aircraft, see de Havilland DH.88. DH 106 Comet … Wikipedia
spark gap — noun 1. a component of an ignition system; consists of two shaped electrodes and the space between them • Hypernyms: ↑component, ↑constituent, ↑element • Part Holonyms: ↑ignition, ↑ignition system 2. the gap between two high potential terminals … Useful english dictionary

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