Tool steel — Iron alloy phases Ferrite (α iron, δ iron) Austenite (γ iron) Pearlite (88% ferrite, 12% cementite) … Wikipedia
Tool — For other uses, see Tool (disambiguation). A modern toolbox. A tool is a device that can be used to produce an item or achieve a task, but that is not consumed in the process. Informally the word is also used to describe a procedure or process… … Wikipedia
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
machine tool — machine tooled, adj. a power operated machine, as a lathe, used for general cutting and shaping of metal and other substances. [1860 65] * * * Stationary, power driven machine used to cut, shape, or form materials such as metal and wood. Machine… … Universalium
Plane (tool) — A plane is a tool for shaping wood. Planes are used to flatten, reduce the thickness of, and impart a smooth surface to a rough piece of lumber. Special types of planes are designed to cut joints or decorative mouldings.Hand planes are generally… … Wikipedia
stone-tool industry — Any of several assemblages of artifacts that display the earliest technology used by humans. These stone tools have survived in great quantities and now serve as the major means of determining hominid activities. Archaeologists have classified… … Universalium
главная режущая кромка — (К) Часть режущей кромки, формирующая большую сторону сечения срезаемого слоя. 1 передняя поверхность лезвия Аγ; 2 главная режущая кромка К; 3 вспомогательная режуща … Справочник технического переводчика
инструментальная плоскость резания — (Pnи) Координатная плоскость, касательная к режущей кромке в рассматриваемой точке и перпендикулярная инструментальной основной плоскости. [ГОСТ 25762 83] Тематики обработка резанием Обобщающие термины системы координатных плоскостей и… … Справочник технического переводчика
printmaking — /print may king/, n. the art or technique of making prints, esp. as practiced in engraving, etching, drypoint, woodcut or serigraphy. [1925 30; PRINT + MAKING] * * * Art form consisting of the production of images, usually on paper but… … Universalium
literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… … Universalium
Stone Age — the period in the history of humankind, preceding the Bronze Age and the Iron Age, and marked by the use of stone implements and weapons: subdivided into the Paleolithic, Mesolithic, and Neolithic periods. [1860 65] * * * First known period of… … Universalium
