boiled water

Everybody must adopt personal hygienic habits

Everybody must adopt personal hygienic habits (1952, July)

Water and contagious diseases -- How to treat water to avoid contagious diseases?

Water and contagious diseases -- How to treat water to avoid contagious diseases? (1952, July)

Drink boiled water, eat hot rice and hot dishes, install gauze in kitchen doors and windows, cover food carefully.

Drink boiled water, eat hot rice and hot dishes, install gauze in kitchen doors and windows, cover food carefully. (ca. 1952)

Fire prevention

Fire prevention (1967)

Oppose evil sects, happiness and health -- Warning education wall charts

Oppose evil sects, happiness and health -- Warning education wall charts (2003)

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