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Subjects
Civil defense
5
Civil defense exercise
3
Civil defense obligations
2
Evacuation
2
Gas mask
2
Personal antichemical-protection gear
2
Protective clothing
2
Assembly area
1
Biological weapon
1
Chemical attack
1
Chemical decontamination
1
Civil defense at factories
1
Danger zone
1
Energy supply
1
Engineering rescue services
1
Epidemic
1
Evacuation planning
1
Medical attention
1
Poison gases
1
Reception of evacuees
1