 |
| |||
| четырёхсекционный | |||
| four- section: 14 phrases in 11 subjects |
| Construction | 2 |
| Electronics | 1 |
| Firefighting and fire-control systems | 1 |
| Food industry | 1 |
| Makarov | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Technology | 3 |
| Telecommunications | 1 |