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 cooked rice and cooked meals, put screens on doors and windows, cautiously cover food.

Drink boiled water, eat cooked rice and cooked meals, put screens on doors and windows, cautiously cover food. (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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