 |
| |||
| grade crossing elimination | |||
| разделение уровней: 19 phrases in 10 subjects |
| Energy industry | 1 |
| Makarov | 1 |
| Mass media | 4 |
| Mechanics | 1 |
| Nautical | 2 |
| Programming | 3 |
| Reliability | 3 |
| Security systems | 1 |
| Technology | 2 |
| Transport | 1 |
|
| |||
| grade crossing elimination | |||
| разделение уровней: 19 phrases in 10 subjects |
| Energy industry | 1 |
| Makarov | 1 |
| Mass media | 4 |
| Mechanics | 1 |
| Nautical | 2 |
| Programming | 3 |
| Reliability | 3 |
| Security systems | 1 |
| Technology | 2 |
| Transport | 1 |