| |||
| категория надёжности | |||
|
category of reliability : 5 phrases in 4 subjects |
| Electrical engineering | 1 |
| Energy industry | 1 |
| Firefighting and fire-control systems | 1 |
| Securities | 2 |
| |||
| категория надёжности | |||
|
category of reliability : 5 phrases in 4 subjects |
| Electrical engineering | 1 |
| Energy industry | 1 |
| Firefighting and fire-control systems | 1 |
| Securities | 2 |