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Subjects
Civil defense
25
Civil defense exercise
6
Civil defense at factories
5
Evacuation
5
Public information work
4
Simulation
4
Civil defense command
3
Civil defense obligations
3
Contamination area
3
Engineering rescue services
3
Food storage
3
Traffic control
3
War production plants
3
Air raid
2
Assembly area
2
Decontamination
2
Decontamination of food
2
Decontamination of persons
2
Decontamination of technical equipment
2
Energy supply
2