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When you are out of home for a long time or when you travel, portable items give a lot of convenience to you.
However, their lifetime is not long, which drives you into a trouble.
When the portable items have had them, your small behavior can save them.
Chosun Univ.
Art college
Gwang ju, South Korea
.
Chosun Univ.
Art college
Gwang ju, South Korea
Yu gwang Gang