 |
| mains feed: 31 phrases in 15 subjects |
| Automobiles | 2 |
| Construction | 3 |
| Electrical engineering | 1 |
| Electricity | 1 |
| Electronics | 3 |
| Energy industry | 4 |
| Makarov | 1 |
| Metallurgy | 2 |
| Natural resourses and wildlife conservation | 2 |
| Nautical | 2 |
| Nuclear and fusion power | 1 |
| Shipbuilding | 1 |
| Technology | 6 |
| Telecommunications | 1 |
| Thermal engineering | 1 |