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O.T.O tap / Water tap

O.T.O tap

There are two parts of time which will probably cause water wasting during the whole
process of washing hands. One of them is the time after finishing the washing and
before turning off the tap. And another is the period of time when using the soap.
Intelligent “O.T.O tap” is what you need to help yourself saving water and solving
these problems from all the basic steps in daily water using.


Dalian Nationalities University

Dalian Minzu University
Dalian, China

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