Maintain the excrement and urine ditches and prevent the breeding of the five evils.

處理溝渠糞便,防止五毒孳生。
Chuli gouqu fenbian, fangzhi wudu zisheng
Maintain the excrement and urine ditches and prevent the breeding of the five evils.
ca. 1952
Fujian Province Association for the Popularisation of Science and Technology, Fujian Province People's Science Academy (福建省科學技術普及協會, 福建省人民科學館 ), Fuzhou
76.5x36 cm.
PC-1951-014

The banner left of the window says "Labour is most honourable" (劳动左光荣).

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