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Various window blind styles. A window blind is a type of window covering. [1] There are many different kinds of window blinds which use a variety of control systems. A typical window blind is made up of several long horizontal or vertical slats of various types of hard material, including wood, plastic or metal which are held together by cords that run through the blind slats.
First models of electric bicycles appeared in late 19th century. US Patent office registered several e-bike patents since 1895 to 1899 (Ogden Bolton patented battery-powered bicycle in 1895, Hosea W. Libbey patented bicycle with double electric motor in 1897 and John Schnepf patented electric motor with roller wheel).
The 750 had a 72-volt battery and a wide body, whereas the 760 was narrower and had a 36-volt battery. The 850 was a development of the 750. All featured cabs with rounded body panels made from fibreglass, which were bought in from a third party ready for attaching to the chassis. [ 8 ]
The London Underground R Stock electric multiple units were used on London Underground's District line from 1949 to 1983. Composed of new cars and converted Q38 Stock trailers, the cars were built and converted in three batches between 1949 and 1959. The cars were driving motors (DM) or non-driving motors (NDM), there being no unpowered trailers.
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La Sombrita (Spanish for "The Little Shade") is a prototype sunshade created for the Los Angeles Department of Transportation (LADOT). [1] Its purpose was to assist bus riders by offering shade during the hottest hours of the day and providing sidewalk lighting at night. This was especially targeted at locations where the swift construction of ...
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