système de sécurité : 76 phrases in 23 subjects |
Astronautics | 1 |
Commerce | 1 |
Communications | 9 |
Construction | 1 |
Data processing | 1 |
Economy | 1 |
Environment | 3 |
Food industry | 1 |
General | 13 |
Health care | 1 |
Immigration and citizenship | 1 |
Information technology | 17 |
Labor law | 2 |
Law | 2 |
Mechanic engineering | 2 |
Natural sciences | 1 |
Obsolete / dated | 1 |
Patents | 1 |
Politics | 4 |
Security systems | 2 |
Social science | 2 |
Technology | 1 |
Transport | 8 |