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Coverage in Great Lives from History: The 18th Century is broad in itsvariety of areas of achievement, as well as geographical scope, with aworldwide focus that includes extensive coverage of non-Europeansand women. Of course, the set includes the recognized shapers ofhistory essential in any liberal arts curriculum. Its lengthy essaysprovide in-depth biographies, including annotated bibliographicalresources. Major world leaders appear here, as well as the giants ofreligious faith who were central to the century: philosophers, educators, heads of state and religious leaders who left their imprint on political, as well as spiritual institution

Biography --- Biographie --- Dictionaries --- Dictionnaires anglais --- History, Modern --- Eighteenth century --- Dictionaries. --- History & Archaeology --- History - General --- Biography - General

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The laser has given manufacturing industry a new tool. When the laser beam is focused it can generate one of the world's most intense energy sources, more intense than flames and arcs, though similar to an electron beam. In fact the intensity is such that it can vaporise most known materials. The laser material processing industry has been growing swiftly as the quality, speed and new manufacturing possibilities become better understood. In the fore of these new technologies is the process of laser cutting. Laser cutting leads because it is a direct process substitu­ tion and the laser can usually do the job with greater flexibility, speed and quality than its competitors. However, to achieve these high speeds with high quality con­ siderable know how and experience is required. This information is usually carefully guarded by the businesses concerned and has to be gained by hard experience and technical understanding. Yet in this book John Powell explains in lucid and almost non­ technical language many of these process wrinkles concerning alignment, cornering, pulsing, water jets, material properties, cutting speeds as well as tricks with surface coating and much much more. It is a book which managers and technicians in laser job shops and laser processing facilities would be foolish not to read.

621.9 --- 535.374 --- 621.9.048 --- Working or machining with chip formation. Abrasive working. Cutting, grinding, sheet working. Thread-forming etc. Operations, tools, machines, equipment --- Amplification of radiation by stimulated emission --- Erosion machining, blasting. Spark erosion. Ultrasonic, vibration machining. Machining with particle beams. Electron-beam machining etc. --- Machinery. --- Materials. --- Mechanical engineering. --- Physics. --- Structural control (Engineering). --- Laser beam cutting --- Carbon dioxide lasers --- Mechanical Engineering --- Engineering & Applied Sciences --- Mechanical Engineering - General --- Industrial applications --- 621.9.048 Erosion machining, blasting. Spark erosion. Ultrasonic, vibration machining. Machining with particle beams. Electron-beam machining etc. --- 535.374 Amplification of radiation by stimulated emission --- 621.9 Working or machining with chip formation. Abrasive working. Cutting, grinding, sheet working. Thread-forming etc. Operations, tools, machines, equipment --- Carbon-dioxide-gas lasers --- Gas lasers --- Machining --- Metal-cutting --- Laser drilling --- Erosion machining, blasting. Spark erosion. Ultrasonic, vibration machining. Machining with particle beams. Electron-beam machining etc --- Lasers. --- Photonics. --- Metals. --- Manufactures. --- Optics, Lasers, Photonics, Optical Devices. --- Metallic Materials. --- Manufacturing, Machines, Tools, Processes. --- Mechanical Engineering. --- Engineering, Mechanical --- Engineering --- Machinery --- Steam engineering --- Manufactured goods --- Manufactured products --- Products --- Products, Manufactured --- Commercial products --- Manufacturing industries --- Metallic elements --- Chemical elements --- Ores --- Metallurgy --- New optics --- Optics --- Light amplification by stimulated emission of radiation --- Masers, Optical --- Optical masers --- Light amplifiers --- Light sources --- Optoelectronic devices --- Nonlinear optics --- Optical parametric oscillators --- Usinage --- Decoupage --- Dioxyde de carbone --- Procede de fabrication

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Development aid. Development cooperation

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Emigration and immigration --- Immigrants --- Emigration et immigration --- Immigrants --- United States --- Etats-Unis --- Emigration and immigration --- Emigration et immigration

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Christian life --- Spiritual formation