outside diameter of the tubes

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• Tubes and primers for ammunition — Tubes and primers are used to ignite the propellant in projectile weapons. In ancient times various devices were adopted to ignite the charge. Small guns were fired by priming powder poured down the touch hole (or vent) and ignited by glowing… …   Wikipedia

• The Culture — is a fictional interstellar anarchist, socialist, and utopian[1][2] society created by the Scottish writer Iain M. Banks which features in a number of science fiction novels and works of short fiction by him, collectively called the Culture… …   Wikipedia

• Tubes — The tubes are medically known as the Fallopian tubes. There are two Fallopian tubes, one on each side, which transport the egg from the ovary to the uterus (the womb). The Fallopian tubes have small hair like projections called cilia on the cells …   Medical dictionary

• diameter — noun ADJECTIVE ▪ inner, inside, internal ▪ The tubes have an internal diameter of 2 mm. ▪ external, outer, outside ▪ …   Collocations dictionary

• Vertical boiler with horizontal fire-tubes — Blake boiler A vertical boiler with horizontal fire tubes is a type of small vertical boiler, used to generate steam for small machinery. It is characterised by having many narrow fire tubes, running horizontally. Boilers like this have been… …   Wikipedia

• Technology of the Discworld — The technology depicted in Terry Pratchett s Discworld novels takes two forms: magical and mechanical. Nearly all technology early in the series is at least partially magical, but in recent books there has been something of an industrial… …   Wikipedia

• Submarines in the United States Navy — There are two major types of submarines in the United States Navy: ballistic missile submarines and attack submarines. In the U.S. Navy, all combatant submarines are nuclear powered. Ballistic subs have a single, strategic mission: carrying… …   Wikipedia

• Foreign trade of the Soviet Union — Soviet foreign trade played only a minor role in the Soviet economy. In 1985, for example, exports and imports each accounted for only 4 percent of the Soviet gross national product. The Soviet Union maintained this low level because it could… …   Wikipedia

• Respiratory system of the horse — In biology, the respiratory system of the horse is the means by which a horse circulates air around its internal organs.AnatomyThe respiratory system begins with the nares, commonly known as the nostrils, which can expand greatly during intense… …   Wikipedia

• Pipe (fluid conveyance) — For structural pipe, see Hollow structural section. For other uses, see Pipe (disambiguation). Steel pipes …   Wikipedia

• Pipe (material) — A pipe is a tube or hollow cylinder used to convey materials or as a structural component. The terms pipe and tube are almost interchangeable. A pipe is generally specified by the internal diameter (ID) whereas a tube is usually defined by the… …   Wikipedia