 |
| степень безопасности: 29 phrases in 16 subjects |
| Automobiles | 2 |
| Aviation | 1 |
| Construction | 1 |
| Energy industry | 3 |
| Firefighting and fire-control systems | 1 |
| Information security and data protection | 1 |
| Makarov | 1 |
| Mass media | 1 |
| Mathematics | 1 |
| Military | 4 |
| Production | 1 |
| Programming | 1 |
| Sakhalin | 1 |
| Security systems | 6 |
| Technology | 1 |
| Transport | 3 |