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Subjects
Civil defense
7
Imperialist aggression
2
Military technology
2
Arms race
1
Camouflaging
1
Chemical attack
1
Chemical weapon
1
Civil defense excercise
1
Construction of shelters
1
Damage zones
1
Dunaújváros
1
Evacuation
1
Evacuation planning
1
Fire prevention
1
Firefighters
1
Firestorm
1
First World War
1
Gas torch
1
Improvised shelters
1
Military
1