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Subjects
Civil defense
6
Civil defense exercise
2
Evacuation
2
Air raid warning
1
Chemical attack
1
Chemical weapon
1
Civil defense obligations
1
Damage zones
1
Debrecen
1
Decontamination unit
1
Energy supply
1
Evacuation planning
1
First World War
1
First aid assistance
1
Imperialist aggression
1
Medical attention
1
Natural disaster
1
Nuclear bomb
1
Poison gases
1
Public information work
1