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It is difficult to open the Seasoning packets of fast food for The disabled with one hand.
We have designed a new opening for Seasoning packets. Only suqeezeing the bubble ,he disabled can open the Seasoning packets easily.
Zhejiang University
Hangzhou, China
Zhejiang University
Hangzhou, China
Xu Tianning; Guan Hongyue; Zhu Pengfei; Kong Ying