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No Washing / package

No Washing
No Washing

There are billions of people washing hands before and after having snake ,which is a tremendous waste of water resource.
To solve this problem, we add a ring on the corner of the package.
When we have snacks ,we only need to put our fingers between ring and the corner in order to touch snacks indirectly to reduce the waste of water.


Tongji University

Tongji University
Shanghai, China

Yizhou Gao,
Tongji University

Yimu Yang,
Tongji University

Yunpeng Li,
Tongji University

Yiyuan Liu,
Tongji University