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Subjects
Civil defense
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52
Civil defense exercise
9
Decontamination of food
7
Evacuation
7
Civil defense at factories
6
Contamination area
6
Radiation detection
6
Decontamination
5
Engineering rescue services
5
Food storage
5
Imperialist aggression
5
Search and rescue of the injured
5
Antichemical-protection service
4
Chemical decontamination
4
Civil defense obligations
4
Decontamination of technical equipment
4
Decontamination station
4
Evacuation planning
4
Gas mask
4
Nuclear contamination
4