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Subjects
Gas mask
4
Nuclear contamination
4
Public information work
4
Public shelter
4
Radio warning
4
Traffic control
4
Agriculture
3
Air defense
3
Air raid warning
3
Civil defense reconnaissance
3
Decontamination of persons
3
Education of youth
3
Energy supply
3
First aid assistance
3
Improvised shelters
3
Laboratory
3
Medical attention
3
Mushroom cloud
3
NBC (nuclear, biological, chemical) special services
3
Peace movement
3