chipping of the tool

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• 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

• Cutting tool (machining) — In the context of machining, a cutting tool (or cutter) is any tool that is used to remove material from the workpiece by means of shear deformation. Cutting may be accomplished by single point or multipoint tools. Single point tools are used in… …   Wikipedia

• flake tool — a Paleolithic or later stone tool made from a flake struck from a larger core. [1945 50] * * * Stone Age devices, usually flint (see chert and flint), shaped by flaking off small particles or by breaking off a large flake to use as a tool.… …   Universalium

• Telephone numbers in the United Kingdom — +44 redirects here. For the band, see +44 (band). United Kingdom telephone numbers Location of United Kingdom (dark green) Location Country United Kingdom Continent …   Wikipedia

• List of dialling codes in the United Kingdom — This is a list of telephone dialling codes in the United Kingdom. It is based on Ofcom s area code list, but includes defunct codes and historical changes, including the derivation of the two letter identities where known.[1][2] Note that… …   Wikipedia

• Flint tool — Chipped stone tools were made by stone age peoples worldwide. Paleolithic tools were relatively simple, repeated small flakes being struck or pressed from a cobble or nucleus until the required shape was achieved. This is called knapping. Freshly …   Wikipedia

• 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

• Portsmouth Block Mills — The Portsmouth Block Mills form part of the Portsmouth Dockyard at Portsmouth, Hampshire, England, and were built during the Napoleonic Wars to supply the British Royal Navy with pulley blocks. They started the age of mass production using all… …   Wikipedia

• Scratch tester — The scratch tester One of the basic requirements of a coating if it is going to improve the surface propertiesof a tool or component is adhesion. The scratch tester is a common method of testing the adhesion of coatings to substrates.The scratch… …   Wikipedia

• Needlegun scaler — A U.S. Navy Seaman uses a needle gun to remove old paint and corrosion aboard USS Kitty Hawk.[1] A needlegun scaler or needle gun is a tool used in metalwork applications as diverse as home repair, automotive repair and shipboard preservation …   Wikipedia

• petroleum production — Introduction       recovery of crude oil and, often, associated natural gas from the Earth.        petroleum is a naturally occurring hydrocarbon material that is believed to have formed in deep sedimentary (sedimentary rock) beds from animal and …   Universalium