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The highlight of the design is it's application, where the whole system is circling the pillar, with a touchscreen power switch.
Firstly, sliding fingers on the light sensing area stores a water of a corresponding amount is prepared.
Secondly, when the hands are put in there, a column of running water in accordance with the slided distance will come out
When people don't need water any more, they just need to move their hands away. This type of public tap not only enables more than one user to use it at the same time, but also solves the problem of using water efficiently.
Xiangyu Liu Shouzhi Ren Qi Wang Wanqi Song