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Recycling has become an important issue recently. When we drink coffee, we usually use a tumbler or a mug more than a disposable package. Furthermore we have many ways to protect our hands from hot and cool temperatures, but so far those ways didn’t really respect the environment. We are trying to reduce the amount of paper used. That’s why we came up with the idea of TONGS CAP.
SEOUL NATIONAL UNIVERSITY OF SCIENC
Seoul, South Korea