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When using the toothpaste completed. How many toothpaste will remnant toothpaste box? Changing the appearance of toothpaste box, let him finish no dead easy to use toothpaste. Plastic materials toothpaste box is garbage polluting the environment. The use of waterproof carton material can be easily recycled after use.
chaoyang university of technology
Taichung City, Taiwan
yu huei lin,
chaoyang university of technology
