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In daily life, when we use plugs, we often experience inconveniences because of lack of socket and absence of multi sockets. To solve this problem, we suggest new design of plug combined with socket so that plugs can be joined to each other.
Yeungnam University
Ulsan, South Korea
Yeungnam University
Ulsan, South Korea
Wook-jin Park
Yong-hoon Kwon
Sang-jin Lee
Nam Sol