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Subjects
Civil defense
4
Contamination area
[remove]
4
Decontamination
2
Decontamination of persons
2
Decontamination of technical equipment
2
Decontamination station
2
Engineering rescue services
2
Nuclear contamination
2
Radiation detection
2
Antichemical-protection service
1
Chemical decontamination techniques
1
Civil defense reconnaissance
1
Laboratory
1
Mushroom cloud
1
Nuclear graveyard
1
Public shelter
1
Railway
1
Reconnaissance unit
1
Water supply
1