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Bubbles have disinfection function, blowing bubbles after induct, and people clap the bubbles and break them naturally, and they disinfect their hands at the same time.
Not only the bubbles disappear, and bacteria on hands are eliminated, too.
Southern Taiwan University
Changhua County, Taiwan
Southern Taiwan University
Changhua County, Taiwan
ZI HUAN WANG ,
WEN TING ZHANG JIAN,
ZONG ZHI HOU,
HSIANG CHUN CHEN,