are welded together

  • 1Track (rail transport) — Permanent way redirects here. For other uses, see Permanent way (disambiguation). Twin rail tracks in a wooded area …

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  • 2Rail tracks — are used on railways (or railroads), which, together with railroad switches (or points), guide trains without the need for steering. Tracks consist of two parallel steel rails, which are laid upon sleepers (or cross ties) that are embedded in… …

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  • 3Pattern welding — is the practice in sword and knife making of forming a blade of several metal pieces of differing composition that are forge welded together and twisted and manipulated to form a pattern. Often incorrectly called Damascus steel (which is produced …

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  • 4hand tool — any tool or implement designed for manual operation. * * * Introduction  any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …

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  • 5ship construction — Introduction       complex of activities concerned with the design and fabrication of all marine vehicles (ship).       Ship construction today is a complicated compound of art and science. In the great days of sail, vessels were designed and… …

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  • 6pipeline — /puyp luyn /, n., v., pipelined, pipelining. n. 1. a long tubular conduit or series of pipes, often underground, with pumps and valves for flow control, used to transport crude oil, natural gas, water, etc., esp. over great distances. 2. a route …

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  • 7Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …

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  • 8Hydraulic cylinder — A Hydraulic cylinder (also called a linear hydraulic motor) is a mechanical actuator that is used to give a linear force through a linear stroke. It has many applications, notably in engineering vehicles. Operation Hydraulic cylinders get their… …

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  • 9Expansion chamber — An Expansion chamber is an exhaust system used on a two stroke cycle engine to enhance its power output by improving its volumetric efficiency. It makes use of the energy left in the burnt exhaust exiting the cylinder to aid the filling of the… …

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  • 10Fabric structure — Fabric structures are architecturally innovative forms of constructed fibers that provide end users a variety of aesthetic free form building designs. Custom made fabric structures are engineered and fabricated to meet worldwide structural, flame …

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