cavity cutter

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• Daisy cutter (fuse) — A BLU 82B bomb with a daisy cutter, used by the United States Air Force. A daisy cutter is a type of fuse designed to detonate an aerial bomb at or above ground level. The fuse itself is a long probe affixed to the weapon s nose, which detonates… …   Wikipedia

• leaf-cutter bee — ▪ insect also called  leaf cutting bee,    any of a group of bees (order Hymenoptera), particularly genus Megachile, that differ from most other bees in that they collect pollen on their abdomens rather than on their hind legs. The solitary… …   Universalium

• Forging — This article is about the metalworking process. For specific hot forging hearth, see forge. For the act of counterfeiting, see forgery. Hot metal ingot being loaded into a hammer forge Forging is a manufacturing process involving the shaping of… …   Wikipedia

• Diamond flaws — Contents 1 External flaws 1.1 Blemishes 1.2 Scratches 1.3 …   Wikipedia

• Threading (manufacturing) — Threading is the process of creating a screw thread. More screw threads are produced each year than any other machine element.[1] There are many methods of generating threads, including subtractive methods (many kinds of thread cutting and… …   Wikipedia

• Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …   Wikipedia

• mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

• Mallet — For other uses, see Mallet (disambiguation). A mallet is a kind of hammer, usually of rubber,or sometimes wood smaller than a maul or beetle and usually with a relatively large head. Contents 1 Tools 2 Musical instruments 3 Toys …   Wikipedia

• Chalk line — tool. A chalk line or chalk box is a tool for marking long, straight lines on relatively flat surfaces, much farther than is practical by hand or with a straightedge. It is an important tool in construction and carpentry, the working of timber in …   Wikipedia

• Electrical discharge machining — An electrical discharge machine Electric discharge machining (EDM), sometimes colloquially also referred to as spark machining, spark eroding, burning, die sinking or wire erosion,[1] is a manufacturing process whereby a desired shape is obtained …   Wikipedia

• diesinking — See diesinker. * * * ▪ metallurgy  process of machining a cavity in a steel block to be used for molding plastics, or for hot and cold forging, die casting, and coining.       The die block is mounted on a table while a vertical spindle milling… …   Universalium