| |||
| класс надёжности | |||
|
reliability category : 6 phrases in 4 subjects |
| Electrical engineering | 1 |
| Energy industry | 2 |
| Firefighting and fire-control systems | 1 |
| Securities | 2 |
| |||
| класс надёжности | |||
|
reliability category : 6 phrases in 4 subjects |
| Electrical engineering | 1 |
| Energy industry | 2 |
| Firefighting and fire-control systems | 1 |
| Securities | 2 |