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There is many invisible bacteria in hand. Seemingly looks clean but bacteria that through hands can make disease.
So, Washing hands is so important. Door handle that many people be contaminated by hands.To solve this problem by using anion is sterilization. Using low power, using anion generator to remove the germs on the handle. And the key to the fingerprint on the handle to remove the bacteria. From other bacterial infections can help.
Yongin Univ
Industrial Design
Yongin-si, South Korea
Yongin Univ
Industrial Design
Incheon, South Korea
884-2, Bupyeong 4-dong, Bupyeong-gu, Incheon, South Korea
hyun-woo Lee