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Subjects
Civil defense obligations
2
Civilization
2
Communism and religion
2
Communism and society
2
Communist parties
2
Communist strategy
2
Comparative government
2
Constitutional law
2
Contamination area
2
Damage zones
2
Decontamination
2
Decontamination of personal clothing
2
Decontamination of persons
2
Decontamination of technical equipment
2
Demonstrations
2
Economic policy
2
English language
2
Environmental protection
2
Freedom of information
2
Gas mask
2