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Squeeze and press / supplies

Squeeze and press

We all know that fluoride is very important to our teeth health. However children at eight or under eight are in the development stage. If they have so much fluoride they will get Fluorine spot disease. A majority of kids with the disease are relate to much toothpaste. The design is just pull quantitative into the cover and twist it but press the button. Then you can easily obtain the quantitative toothpaste.

University

Zhengzhou University of Light Industry

Zhengzhou University of Light Industry
Zhengzhou, China

Chuanjie Shen,
Zhengzhou University of Light Industry