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ASME Y14.44-2008 [1] and IEEE 315-1975 [2] define how to reference and annotate components of electronic devices.. It breaks down a system into units, and then any number of sub-assemblies.
A drain cover is a cover with holes (e.g. a manhole) or a grating used to cover a drain, to prevent unwanted entry of foreign objects, or injury to people or animals. It allows drainage of liquids but prevents entry from large solid objects, and thus acts as a coarse filter. A sink drain cover is a drain cover used to cover the sink drain.
Woman in a Tub (or The Tub) is one of a suite of pastels on paper created by the French painter Edgar Degas in the 1880s and is in the collection of the Hill-Stead Museum in Connecticut. The suite of pastels all featured nude women "bathing, washing, drying, wiping themselves, combing their hair or having it combed" and were created in ...
The first diagrammatic map of London's rapid transit network was designed by Harry Beck in 1931. [1] [2] He was a London Underground employee who realised that because the railway ran mostly underground, the physical locations of the stations were largely irrelevant to the traveller wanting to know how to get from one station to another; only the topology of the route mattered.