 |
|
relay switch : 31 phrases in 11 subjects |
| Armored vehicles | 1 |
| Automobiles | 1 |
| Communications | 1 |
| Information technology | 1 |
| Occupational health & safety | 4 |
| Radioengineering | 1 |
| Rail transport | 2 |
| Soviet | 7 |
| Space | 1 |
| Technology | 10 |
| Telecommunications | 2 |
|
|
relay switch : 31 phrases in 11 subjects |
| Armored vehicles | 1 |
| Automobiles | 1 |
| Communications | 1 |
| Information technology | 1 |
| Occupational health & safety | 4 |
| Radioengineering | 1 |
| Rail transport | 2 |
| Soviet | 7 |
| Space | 1 |
| Technology | 10 |
| Telecommunications | 2 |