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water polo / kettle

water polo
water polo

In many countries, because of the large land area, the supply of water sources is not sufficient. It is necessary to take children to take water very far away, which causes a lot of inconvenience. A small amount of power generation allows users to act automatically when they are unable to free their hands.


Longhua University of Science and

Longhua University of Science and
Taoyuan City, Taiwan

Longhua University of Science and

Longhua University of Science and