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Number Cup is paper cup with twenty continuous removable number tags forming its bottom. Hence, when necessary, cups can be easily differentiated by removing different number tags. Moreover, more than one number tag can be removed from one cup so that Number Cups each with twenty number tags allow way more than twenty people to be able to identify their own cups of beverage very easily.
With Number Cups, people would never need to worry about finding special places to put down their cups or picking up new cups of beverage without finishing the previous ones. Thus, the use of Number Cups can reduces the amount of beverage wasted.
Ximeng Huang Zhaoyue Niu Jin Liu Liming Zhu