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121Timeline of Russian inventions and technology records — The Hall of Space Technology in the Tsiolkovsky State Museum of the History of Cosmonautics, Kaluga, Russia. The exhibition includes the models and replicas of the following Russian inventions: the first satellite, Sputnik 1 (a ball under the… …
122Circular saw — This miter saw uses a circular saw mounted to cut at an angle Buzzsaw redirects here. For other uses, see Buzzsaw (disambiguation). The circular saw is a machine using a toothed metal cutting disc or blade. The term is also loosely used for the… …
123Green Goddess — The Green Goddess is the colloquial name for the Bedford RLHZ Self Propelled Pump, a fire engine used originally by the AFS (Auxiliary Fire Service) and latterly by the British Armed Forces. These green painted vehicles were built between 1953… …
124Drill — For other uses, see Drill (disambiguation). Drill scheme A drill or drill motor is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for drilling holes in various materials or… …
125Milling machine — For the machine used in road construction, see Asphalt milling machine. Not to be confused with mill (grinding). Example of a bridge type CNC vertical milling center …
126Staple (fastener) — A staple is a type of two pronged fastener, usually metal, used for joining or binding materials together. Large staples might be used with a hammer or staple gun for fencing, masonry, roofing and cardboard boxes. Smaller staples are used with a… …
127Economic inequality — refers to disparities in the distribution of economic assets and income. The term typically refers to inequality among individuals and groups within a society, but can also refer to inequality among nations. Economic Inequality generally refers… …
128Mallet — 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 …
