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Led road stud is the flashing solar cell powered and maintenance-free lighting device used in road construction to delineate and (or) illuminate the lanes to road users during the day and night. The green reflective studs are charged up during the day by sunlight through the solar panels and flash at night. Embedded in the road surface, led road stud is an electronic improvement on the traditional cats' eyes in that led road stud may give drivers more than thirty-second reaction window compared with about 3 seconds for conventional reflective devices.

The white colour of milk depends upon its material composition. Its reason composition is such that it reflects all the wavelengths of light and absorbs none.

Jilin-1 Satellites can reflect the weather/climate satellite photo at shooting. Watching the weather from the perspective of satellite to feel the charm of nature. At the same time, you can make the arrangements in advance for extreme weather to ensure no loss of property. Consult Changguang Now!