dispositivo de seguridad: 51 phrases in 17 subjects |
Agriculture | 5 |
Automated equipment | 1 |
Aviation | 1 |
Coal | 1 |
Environment | 4 |
General | 6 |
Health care | 2 |
Industry | 5 |
Information technology | 2 |
Labor law | 7 |
Mechanic engineering | 4 |
Microsoft | 2 |
Municipal planning | 3 |
Politics | 1 |
Technology | 2 |
Transport | 3 |
United Nations | 2 |