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Subjects
Air defense
1
Chemical decontamination techniques
1
Civil defense
6
Civil defense at factories
2
Civil defense exercise
1
Civil defense obligations
2
Communist strategy
1
Construction of shelters
1
Contamination area
1
Decontamination
1
Decontamination of persons
1
Decontamination of technical equipment
1
Decontamination station
1
Economic history
1
Escape route
1
Evacuation
1
Food storage
1
Imperialist aggression
1
Improvised shelters
1
International economic relations
1