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Subjects
Decontamination
5
Engineering rescue services
5
Food storage
5
Imperialist aggression
5
Pioneer movement
5
Political parties
5
Scientific research
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
Folk art
4
Gas mask
4
Hungarian revolution of 1956
4
Nuclear contamination
4
Politics
4
Public information work
4