Traditional Culture Encyclopedia - Photography major - What are the functions of street lamps, lighthouses, traffic lights, neon lights, searchlights and shadowless lights?
What are the functions of street lamps, lighthouses, traffic lights, neon lights, searchlights and shadowless lights?
Street lamp: used for street lighting to prevent safety accidents due to insufficient light at night. Lighthouse: mainly used for navigation and aviation, used at night, with navigation function to prevent ships or planes from colliding with the ground due to light problems. Traffic lights: direct traffic in busy traffic areas. Searchlight: used for searching and lighting. But the lighting range is not large, but the light is very strong and the place is very clear. Shadowless lamp: it is a kind of lamp unique to hospitals. It is used in surgery. It is surrounded by a plurality of lamps. Strong light beauty has a dead angle, which can make the surgical site have no shadow during the operation. Neon lamp: bright colors and many styles are used to attract people's creativity, mostly used in signboard advertisements. .
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