step-back welding

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• back-step welding — Welding small sections of a joint in a direction opposite the direction that the weld as a whole is progressing …   Dictionary of automotive terms

• welding — Art of fastening metals (or plastic) together by means of interfusing them. They are heated to a suitable temperature. In some cases pressure is used to bond them together. In other cases a filler material (solder) is used to join them. Among the …   Dictionary of automotive terms

• Welding power supply — A welding power supply is a device that provides an electric current to perform welding. Welding usually requires high current (over 80 amperes) and it can need above 12,000 amps in spot welding. Low current can also be used; welding two razor… …   Wikipedia

• Shielded metal arc welding — (SMAW), also known as manual metal arc (MMA) welding, flux shielded arc welding …   Wikipedia

• обратноступенчатая сварка — Сварка, при которой сварной шов выполняется следующими один за другим участками в направлении, обратном общему приращению длины шва. [ГОСТ 2601 84] [Терминологический словарь по строительству на 12 языках (ВНИИИС Госстроя СССР)] Тематики сварка,… …   Справочник технического переводчика

• Sears Tower — the tallest building in the US and (from 1974 to 1996) the tallest in the world. It is in Chicago and was built by Sears, Roebuck and Company. It is 1 454 feet/443 metres high, with 110 floors. * * * Skyscraper office building in Chicago. With… …   Universalium

• building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …   Universalium

• hand 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… …   Universalium

• Bicycle frame — Steel frame of 2000 LeMond Zurich road racing bicycle mounted in a work stand …   Wikipedia

• steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …   Universalium

• Business and Industry Review — ▪ 1999 Introduction Overview        Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …   Universalium