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An elevator (American English) or lift (Commonwealth English) is a machine that vertically transports people or freight between levels. They are typically powered by electric motors that drive traction cables and counterweight systems such as a hoist , although some pump hydraulic fluid to raise a cylindrical piston like a jack .
An escalator school (エスカレーター学校, esukareitā gakkō) [1] (also esukareitā kō (エスカレーター校) and esukareita kō (エスカレータ校)) [2] is an educational school that offers education from elementary or middle (or even from the kindergarten) until university.
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Notable examples of historic escalators still in operation include: St Anna Pedestrian Tunnel underneath the Scheldt river in Antwerp, Belgium, opened 1933. Maastunnel's bicycle/pedestrian tunnel, adjacent to its car tunnel in Rotterdam, The Netherlands, opened 1942. Tyne Cyclist and Pedestrian Tunnel, Tyne and Wear, England, constructed 1951 ...
Examples for this are the Henninger Turm, a grain silo with tower restaurant and observation deck in Frankfurt, the bell tower of Berlin Olympic stadium, whose platform is accessible by an elevator, the winding tower of the mining industry museum in Bochum, which has an open-air observation deck to which an elevator runs or a wind turbine in ...
A simple dumbwaiter is a movable frame in a shaft, dropped by a rope on a pulley, guided by rails; most dumbwaiters have a shaft, cart, and capacity smaller than those of passenger elevators, usually 45 to 450 kg (100 to 992 lbs.) [2] Before electric motors were added in the 1920s, dumbwaiters were controlled manually by ropes on pulleys.
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Illustration from a 1916 advertisement for a vocational school in the back of a US magazine. Education has been seen as a key to social mobility and the advertisement appealed to Americans' belief in the possibility of self-betterment as well as threatening the consequences of downward mobility in the great income inequality existing during the Industrial Revolution.