electric arc welding machine

  • 21Hassan Kamel Al-Sabbah — (Camille A.Sabbah) (August 16, 1895 March 31, 1935) was an electrical and electronics research engineer, mathematician and inventor. He was born in Nabatieh, Lebanon. He studied at the American University of Beirut. He taught mathematics at… …

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  • 22List of Russian people — The Millennium of Russia monument in Veliky Novgorod, featuring the statues and reliefs of the most celebrated people in the first 1000 years of Russian history …

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  • 23Business 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… …

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  • 24List of Edison patents — Below is a list of Edison patents. Thomas Edison was an inventor who, it is said, accumulated 1500 plus patents worldwide for his inventions. Nearly 1100 of Edison s patents were in the United States, but other patents were approved in countries… …

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  • 25Soudage (Théorie) — Cet article aborde le concept d énergie de soudage, afin de décrire et de quantifier quelques spécificités du soudage que sont les phénomènes locaux de fusion et de solidification ainsi que l écoulement thermique et les effets qui en résultent.… …

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  • 26automation — /aw teuh may sheuhn/, n. 1. the technique, method, or system of operating or controlling a process by highly automatic means, as by electronic devices, reducing human intervention to a minimum. 2. a mechanical device, operated electronically,… …

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  • 27High voltage — The term high voltage characterizes electrical circuits, in which the voltage used is the cause of particular safety concerns and insulation requirements. High voltage is used in electrical power distribution, in cathode ray tubes, to generate X… …

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  • 28plasma — plasmatic /plaz mat ik/, plasmic, adj. /plaz meuh/, n. 1. Anat., Physiol. the liquid part of blood or lymph, as distinguished from the suspended elements. 2. Cell Biol. cytoplasm. 3. whey. 4. a green, faintly translucent chalcedony. 5. Physics. a …

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  • 29Dynamo — For other uses, see Dynamo (disambiguation). Dynamo Electric Machine (end view, partly section, U.S. Patent 284,110) A dynamo (from the Greek word dynamis; meaning power), originally another name for an …

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  • 30Power factor — For other uses, see Power factor (pistol). The power factor of an AC electric power system is defined as the ratio of the real power flowing to the load over the apparent power in the circuit,[1][2] and is a dimensionless number between 0 and 1… …

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