 |
| heavy oils: 189 phrases in 30 subjects |
| Armored vehicles | 5 |
| Automobiles | 7 |
| Chemistry | 2 |
| Construction | 3 |
| Economy | 1 |
| Electronics | 3 |
| Energy industry | 5 |
| Forestry | 1 |
| General | 3 |
| Insurance | 1 |
| Logistics | 1 |
| Makarov | 5 |
| Mechanic engineering | 1 |
| Metallurgy | 2 |
| Military | 1 |
| Natural resourses and wildlife conservation | 7 |
| Nautical | 2 |
| Oil / petroleum | 22 |
| Oil and gas | 12 |
| Oil and gas technology | 3 |
| Oil processing plants | 5 |
| Oilfields | 53 |
| Polymers | 1 |
| Road works | 4 |
| Sakhalin | 3 |
| Shipbuilding | 1 |
| Technology | 24 |
| Thermal engineering | 3 |
| Transport | 7 |
| United States | 1 |