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We always see the board of warning slippery roads in many places. The signs are usually looked very stable. There is no kind of slide into the feeling,so that we may not be pay any attention . So we still have the possibility forslipping.
We have more image the board of warning slippery roads
do, certain radian formed the overall shape, which make it to look like a sense of "Oh, the floor is very slippery, be
careful.!" From the point of view about psychology, we
change the warning board design to be more vivid and