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Rolling up was designed so that it can be used in the paper barrel deviates from the structural constraints of the existing paper barrel . Rolling up structure can reduce the drying discomfort , it was made to be able to cover different types of paper sizes in one product.
Myongji University
Yongin, South Korea
YOO JI YEON,
Myongji University
HAN EUN HYE,
Myongji University