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This design for people to have a hot water bath in the poor areas (mainly for Africa) is meaningful.
As we all known , black is endothermic.
We only need to put water into this black barrel .when there is sunshine, it will absorb the heat of the sun and then pass it into the water. After a while ,cold water will turn into hot water for people to use.
Jingdezhen Ceramic Institute
jiangxi jingdezhen, China
tongliang Shen,
Jingdezhen Ceramic Institute
qing Chen ,
Zhengzhou Light Industry School
lei Chen ,
Jingdezhen Ceramic Institute
yanwei Wang,
Jingdezhen Ceramic Institute