σύστημα ασφαλείας : 51 phrases in 13 subjects |
Chemistry | 1 |
Commerce | 1 |
Communications | 5 |
Environment | 2 |
General | 6 |
Industry | 1 |
Information technology | 7 |
Labor law | 1 |
Mechanic engineering | 1 |
Nuclear physics | 3 |
Social science | 1 |
Sociology | 3 |
Transport | 19 |