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When there is a urban waterlogging, people are not aware of the realtime situation of road, uncovered sewers are specially dangerous. In our design, when sewer lids are missing or removed, the toroid buoy under the lids will float above the sewers as the water level goes up. It can alert pedestrian and reduce accidents.
Zhejiang University
Hangzhou, China
Weiwei Mao,
Zhejiang University
Xin Min,
Zhejiang University
Kuan Cheng,
Zhejiang University
Siqi Fu,
Zhejiang University