| |||
| двустороннее питание (в кольце) | |||
|
loop service : 13 phrases in 8 subjects |
| Automobiles | 1 |
| Communications | 2 |
| Drilling | 2 |
| Electrical engineering | 1 |
| Makarov | 1 |
| Oil and gas | 2 |
| Technology | 3 |
| Telecommunications | 1 |
| |||
| двустороннее питание (в кольце) | |||
|
loop service : 13 phrases in 8 subjects |
| Automobiles | 1 |
| Communications | 2 |
| Drilling | 2 |
| Electrical engineering | 1 |
| Makarov | 1 |
| Oil and gas | 2 |
| Technology | 3 |
| Telecommunications | 1 |