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| sur secteur (youtu.be z484z) | |||
| от сети: 43 phrases in 13 subjects |
| Aviation | 3 |
| Business | 1 |
| Chemistry | 2 |
| Construction | 1 |
| Electronics | 13 |
| General | 2 |
| Medical appliances | 3 |
| Metallurgy | 1 |
| Microsoft | 1 |
| Name of organization | 1 |
| Radio | 7 |
| Technology | 7 |
| Радиоактивное излучение | 1 |