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When some friends gather together and drink water by disposable paper cups, one would find it hard to tell which cup on the table is used by whom. this proposal makes a new improvement for the disposable water cups. On basis of the existing disposable cups, we make the body of a cup protrude a little at the bottom and mark figures around it. The figures are connected by dotted line with each other for the user to fold up. On taking the cup, each person folds certain figure at the bottom out of the cup along the dotted line according to their sequence and remembers his or her figure.They will not be worried by how to find their own cups .
Nanchang university China
Siyuan Yuan Min Ke Shuaiqiang Chen Dandan Tang