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Rotary storage systems are filing cabinets; specialised office furniture units usually consisting of a double sided rotating unit, allowing the user to access two full sides of filing from one point. A foot pedal or lever is often used to operate the rotation mechanism, thus allowing user easy control.
Bookwheel, from Agostino Ramelli's Le diverse et artificiose machine, 1588. The bookwheel (also written book wheel and sometimes called a reading wheel) is a type of rotating bookcase that allows one person to read multiple books in one location with ease.
A combination of pen spinning tricks. Pen spinning is a form of object manipulation that involves the deft manipulation of a writing instrument with hands. Although it is often considered a form of self-entertainment (usually in a school or office setting), multinational competitions and meetings are sometimes held. [1]
The CMU URANUS Mobile Robot [5] was the first mobile robot with Mecanum wheels built in 1985 and was used for two decades for autonomous navigation research. [6] CMU's "Tessellator" robot, [7] designed in 1992 for servicing Space Shuttle tiles, also used Mecanum wheels. [8] A wheelchair using Mecanum wheels was presented at the 2006 EVER Monaco ...
Drawing up a comprehensive list of words in English is important as a reference when learning a language as it will show the equivalent words you need to learn in the other language to achieve fluency.
A typical construction of a ratchet-based mechanical pencil. A mechanical pencil or clutch pencil is a pencil with a replaceable and mechanically extendable solid pigment core called a "lead" / ˈ l ɛ d /.
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