An 18-poster series, "General knowledge about three types of attack educational wall charts" (三防常识教育挂图), published in June 1983 by the Office of the National Civil Air Defense Commission (国家人民防空委员会办公室). The three types of attack are those with nuclear, chemical, and biological weapons.

Titled "Procedures to be followed by personnel entering and exiting shelters" (受然人员进出工事应遵循的程序), the poster shows protocols for entering and exiting shelters.