Construction on the road is time to ban someone to the side when the warning light appears, is to remind people that being the case, the construction, over there is dangerous, which is used after the construction safety warning lights, also known as solar lights are a warning, a warning to vehicles and pedestrians attention slowly closed to traffic safety warning lights, solar powered, solar water heaters like home, is solar powered. With it, we save a lot of things, but also allow us to reduce the risk.
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