预防腸道传染病要注意饮水卫生 (To prevent gastrointestinal diseases by paying attention to water hygiene), 1955
预防腸道传染病要注意饮水卫生 (To prevent gastrointestinal diseases by paying attention to water hygiene), author unknown, ca. 1960
This poster provides a series of scenes showing drinking water safety practices.
About the Book
This series of posters made around 1960, provide instruction to the public on ways to maintain clean water, clean food, and a clean environment.