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when we put the chopsticks on the table ,the tips of chopsticks will
touch the table . It is not sanitary.This design can effectively keep
the tips of chopsticks away from the table top .As the tail of chopsticks
is made of metal and the other is made of plastic, it can keep up for a long time.
zhejiang sci-tech university
Hangzhou, China
zhejiang sci-tech university
Hangzhou, China
Huang Zehong
