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21Disc brake — Close up of a disc brake on a car On automobiles, disc brakes are often located with …
22X-ray tube — An X ray tube is a vacuum tube that produces X rays. They are used in X ray machines. X rays are part of the electromagnetic spectrum, an ionizing radiation with wavelengths shorter than ultraviolet light. X ray tubes evolved from experimental… …
23metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
24Bicycle lighting — has two purposes: seeing and being seen. There are many types of bicycle lights available, each with its own advantages and disadvantages. There is no one best solution for any rider, and many riders mix and match different technologies to… …
25printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… …
26Boating — For more details on this topic, see Yachting. Yachts are recreational boats Boating is the leisurely activity of travelling by boat, or the recreational use of a boat whether powerboats, sailboats, or man powered vessels (such as rowing and… …
27Recurring enemies in The Legend of Zelda series — This article describes several types of fictional enemy creatures encountered in The Legend of Zelda series of video games. While many enemies can be killed solely with Link s sword, others require the use of specific items to eliminate.[1] In… …
28List of Cosmic Era factions — This is a list of fictional nations and factions from the Cosmic Era (CE) timeline of the Gundam anime metaseries.In the future Cosmic Era, nations and states of today s Earth have evolved into a number of political superblocs. There are also… …
29Conveyor system — Conveyor redirects here. For other uses, see Conveyor (disambiguation). This article is about conveyor systems. For information on conveyor belts, see conveyor belts. For information on overhead conveyors, see overhead conveyors. An overhead… …
30Yeerk — Yeerks are a fictional extraterrestrial species from the book and television series Animorphs .BiologyA Yeerk is a parasite that takes over the body of another being by way of infestation through the ear canal. It resembles a small, grey green… …
