 |
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| Innenkontur f | |||
| Primärkreis m (ДТРД) | |||
| innere Randkontur (Лорина) | |||
| внутренний контур: 26 phrases in 10 subjects |
| Automated equipment | 1 |
| Aviation | 2 |
| Energy industry | 1 |
| Mechanic engineering | 3 |
| Metallurgy | 1 |
| Mining | 3 |
| Oil / petroleum | 1 |
| Shipbuilding | 2 |
| Technology | 4 |
| Welding | 8 |