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The wells in places where lacks of water are not only narrow but also deep. This bucket is mainly used in these wells and to feed the animals. The buckets are convenient for people to get water from these wells and to feed animals.
Zhejiang Sci-Tech University
Hangzhou, China
Zhejiang Sci-Tech University
Hangzhou, China
Weijie Kong, Tuo Jin, Zhang Cheng, Guangbo Wang
