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Subjects
Civil defense
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4
Radiation detection
2
Air raid
1
Air-raid service
1
Antichemical-protection service
1
Biological warfare
1
Black-out services
1
Chemical decontamination
1
Chemical reconnaissance
1
Civil defense at factories
1
Civil defense command
1
Civil defense reconnaissance
1
Decontamination of personal clothing
1
Decontamination of technical equipment
1
Decontamination station
1
Demonstrative exercise
1
Energy supply
1
Evacuation and refugee shelter services
1
Meteorological service
1
Nuclear contamination
1