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Valves stop (or regulate) the flow of liquids or gases. They are categorized by application, such as isolation, throttling, and non-return. Isolation valves temporarily disconnect part of a piping system to allow maintenance or repair, for example. Isolation valves are typically left in either a fully open or closed position.
The first of these types was the Stölzel valve, bearing the name of its inventor Heinrich Stölzel, who first applied these valves to the French horn in 1814. Until that point, there had been no successful valve design, and horn players had to stop off the bell of the instrument, greatly compromising tone quality to achieve a partial chromatic scale.
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Flare fittings are a type of compression fitting used with metal tubing, usually soft steel, ductile (soft) copper and aluminum, though other materials are also used. In a flare fitting the tube itself is "flared" i.e. expanded and deformed at the end.
Best Food Gifts for Christmas Kelly Fields’ Southern Brunch Box. Start Christmas morning on the right foot with a brunch courtesy of Kelly Fields, one of the South’s most acclaimed chefs.
The gameplay video released to coincide with the announcement shows the protagonist wielding a scimitar in the right hand and a whip in the left, and the team confirmed in an interview that the whip contributes to the gameplay in a number of ways: to grab objects, to trip, disarm or stun enemies, shatter barricades, trigger traps and switches and also to swing. [10]
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The Orange Box is a video game compilation containing five games developed and published by Valve.Two of the games included, Half-Life 2 and its first stand-alone expansion, Episode One; had previously been released in 2004 and 2006 as separate products.