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Subjects
Civil defense obligations
3
Decontamination of persons
3
Energy supply
3
Evacuation planning
3
Imperialist aggression
3
Medical attention
3
Protective clothing
3
Public shelter
3
Radiation detection
3
Radio warning
3
War production plants
3
Warning
3
Water supply
3
Air raid
2
Antichemical-protection service
2
Assembly area
2
Biological warfare
2
Chemical attack
2
Civil defense reconnaissance
2
Decontamination of personal clothing
2