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Subjects
Civil defense
11
Civil defense at factories
2
Civil defense obligations
2
Decontamination
2
Decontamination of persons
2
Decontamination station
2
Imperialist aggression
2
Improvised field hospitals
2
Medical aid station
2
Military
2
Search and rescue of the injured
2
Air defense
1
Chemical attack
1
Chemical decontamination techniques
1
Chemical weapon
1
Civil defense exercise
1
Communism
1
Communist strategy
1
Construction of shelters
1
Contamination area
1