flanged cross-member

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• Ceremonial mace — The ceremonial mace is a highly ornamented staff of metal or wood, carried before a sovereign or other high official in civic ceremonies by a mace bearer, intended to represent the official s authority. The mace, as used today, derives from the… …   Wikipedia

• Screw — This article is about the fastener. For other uses, see Screw (disambiguation). Screws come in a variety of shapes and sizes for different purposes. U.S. quarter coin (diameter 24 mm) shown for scale. A screw, or bolt, is a type of fastener… …   Wikipedia

• Structural steel — Various structural steel shapes Structural steel is steel construction material, a profile, formed with a specific shape or cross section and certain standards of chemical composition and mechanical properties. Structural steel shape, size,… …   Wikipedia

• Manhattan Project — This article is about the atomic bomb project. For other uses, see Manhattan Project (disambiguation). Manhattan District The Manhattan Project created the first nuclear bombs. The Trinity test …   Wikipedia

• Valve — This article is about the flow control device. For the game developer, see Valve Corporation. For the electronic component, see Vacuum tube. For other uses, see Valve (disambiguation). These water valves are operated by handles. A valve is a… …   Wikipedia

• Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …   Wikipedia

• George Stephenson — Infobox Person name = George Stephenson caption = Mechanical Engineer and Inventor birth date = birth date|1781|6|9 birth place = Wylam, Northumberland, England death date = death date |1848|8|12| (age 67) death place = Tapton House, Chesterfield …   Wikipedia

• canals and inland waterways — ▪ waterway Introduction       natural or artificial waterways used for navigation, crop irrigation, water supply, or drainage.       Despite modern technological advances in air and ground transportation, inland waterways continue to fill a vital …   Universalium

• Charles H. Roe — A November 1978 built Roe body on a Leyland Atlantean AN68A/1R, new to South Yorkshire PTE as their 1633, pictured in Manchester with Citybus Charles H. Roe Ltd. was a Yorkshire coachbuilding company. It was for most of its life based at… …   Wikipedia

• Check valve — Tilting disc inconel check valve …   Wikipedia

• channel — I chan•nel [[t]ˈtʃæn l[/t]] n. v. neled, nel•ing (esp. brit.) nelled, nel•ling. 1) the bed of a stream, river, or other waterway 2) naut. navig. a navigable route between two bodies of water 3) the deeper part of a waterway 4) a wide strait, as… …   From formal English to slang