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Subjects
Civil defense
3
Evacuation
[remove]
3
Civil defense exercise
2
Reception of evacuees
2
Warning
2
Civil defense at factories
1
Civil defense obligations
1
Energy supply
1
Evacuation planning
1
Food storage
1
Gas mask
1
Natural disaster
1
Prevention
1
Public information work
1
Switch to war production
1
Traffic
1
Traffic control
1
Water supply
1