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Today,more and more people know the importance of water,but the people are very poor conservation in public place,people waste a lot of water.this product is called Swan,swan really like water.Water makes it beautiful,so I hope that people use the water at the same time,leave a little water to the swan. The Swan basins designed as a plate,so when people use it.Give them a hint to conserve the water.
Zhejiang university of science and