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Subjects
War production plants
3
Warning
3
Water supply
3
Air raid
2
Assembly area
2
Biological warfare
2
Chemical attack
2
Construction of shelters
2
Debrecen
2
Decontamination of personal clothing
2
Educational counseling
2
Epidemic
2
Escape route
2
Evacuation and refugee shelter services
2
First World War
2
Improvised field hospitals
2
Medical aid station
2
Mobilization
2
Mushroom cloud
2
NBC (nuclear, biological, chemical) special services
2