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When using the traditional paper extraction, the paper has half exposed to air which is easily get pollution from dust . Let users mentally thinking the papers are contaminated, which bring users a sense of dirty. "Small triangle" Paper Extraction changes the way of paper stacked. During the use process, only a small triangle is exposed, which can maximumly avoid the pollution from dust.
Zhejiang university
Hangzhou, China
Zhejiang university
Hangzhou, China
Yang Xiaodan; Yang Minglang; Chen Jinyi; Wang Xi.