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・ Street layout of Seattle
・ Street League Skateboarding
・ Street Legal
・ Street Legal (2000)
・ Street Legal (Canadian TV series)
・ Street Legal (video game)
・ Street Lethal
・ Street Level
・ Street Level (album)
・ Street Library Ghana
・ Street Life
・ Street Life (Fiend album)
・ Street Life (Patrick Street album)
・ Street Life (Roxy Music song)
・ Street Life (The Crusaders album)
Street light
・ Street light controller
・ Street light interference phenomenon
・ Street lighting in the District of Columbia
・ Street literature
・ Street Lourd
・ Street Love
・ Street Love (disambiguation)
・ Street Love (song)
・ Street luge
・ Street Machine
・ Street Machine (album)
・ Street Machine (magazine)
・ Street Magic
・ Street magic


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Street light : ウィキペディア英語版
Street light

A street light, light pole, lamppost, street lamp, light standard, or lamp standard is a raised source of light on the edge of a road or walkway. Modern lamps may also have light-sensitive photocells that activate automatically when light is or is not needed: dusk, dawn, or the onset of dark weather. This function in older lighting systems could have been performed with the aid of a solar dial. Many street light systems are being connected underground instead of wiring from one utility post to another.
==History==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Street light」の詳細全文を読む



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