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Subjects
Civil defense
4
Civil defense command
[remove]
4
Antichemical-protection service
2
Civil defense at factories
2
Engineering rescue services
2
NBC (nuclear, biological, chemical) special services
2
Simulation
2
Air-raid service
1
Black-out services
1
Evacuation and refugee shelter services
1
Paramedic units
1
Radio warning
1
Training coordination
1
War production plants
1