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The cup of water are always be used in the world, but when we are in the meeting or gathering, we can’t differentiate which one is mine. We designed the new cup of water in the top, divide it to ten numbers and different colors. Now when we drink and insert the sucker, we can choose the number which one is your lucky number or birthday number. You don’t need to worry about picking up one of others.
Lee,Yin-Kai Lai,Chih-Wei Wang Jim