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Subjects
Civil defense
3
Civil defense reconnaissance
[remove]
3
Public shelter
2
Air raid
1
Contamination area
1
Decontamination station
1
Demonstrative exercise
1
Energy supply
1
Engineering rescue services
1
Evacuation and refugee shelter services
1
Host family
1
Radiation detection
1
Railway
1
Simulation
1
Traffic
1
Transportation
1