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Existing umbrella usually wet when fold it after using in the rain, so carrying umbrella might makes our clothes and strangers wet in very crowded area such as subway station and bus terminal unexpectedly.
We designnew umbrella is covered with another waterproof layer
on outside to carry it everywhere without worries.
Korea Polytechnic University
Siheung, South Korea
In Sik Hwang,
Korea Polytechnic University
