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Moving walkway inside the Changi Airport station of the Singapore MRT. A moving walkway, also known as an autowalk, [1] moving pavement, [2] moving sidewalk, [3] people-mover, travolator, [4] or travelator (British English), [5] is a slow-moving conveyor mechanism that transports people across a horizontal or inclined plane over a short to medium distance. [6]
Openclipart, also called Open Clip Art Library, is an online media repository of free-content vector clip art.The project hosts over 160,000 free graphics and has billed itself as "the largest community of artists making the best free original clipart for you to use for absolutely any reason".
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The first cloverleaf interchange patented in the US was by Arthur Hale, a civil engineer in Maryland, on February 29, 1916. [3] [4]A modified cloverleaf, with the adjacent ramps joined into a single two-way road, was planned in 1927 for the interchange between Lake Shore Drive and Irving Park Road in Chicago, Illinois, but a diamond interchange was built instead.
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It serves as a major arterial for eastern Flower Mound and Lewisville, where it is known as that city's Main Street. [3] FM 1171 continues through central Lewisville before the designation ends at I-35E ; Main Street continues into eastern Lewisville as a four-lane road, which was formerly part of the 1171 designation but was later removed.
Scottish physicist James Clerk Maxwell took the world's first colored photograph. He experimented with red, blue, and green filters while photographing a ribbon. By projecting all three images ...
The illustrators who created the first "serious" clip art for business/organizational (professional) use were Mike Mathis, Joan Shogren, and Dennis Fregger; published by T/Maker in 1984 as "ClickArt Publications". In 1986, the first vector-based clip art disc was released by Composite, a small desktop publishing company based in Eureka, California.