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It is a common case that, even with the help of a scraper, throwing away cans of paint but still remaining some in the cans, which is such a pity and waste. To deal with this problem, The part in deep color of the label (made from kraft paper in modest hardness) is quite fit the inner shape of the can, and under the help of it, we can easily scrape up the remaining paint.
Zhejiang University
Hangzhou, China
Zhejiang University
Hangzhou, China