 |
| tar oil: 68 phrases in 26 subjects |
| Armored vehicles | 1 |
| Chemistry | 3 |
| Construction | 2 |
| Drilling | 1 |
| Electronics | 1 |
| Forestry | 2 |
| Gas processing plants | 2 |
| General | 2 |
| Geology | 1 |
| Leather | 1 |
| Makarov | 3 |
| Mechanic engineering | 2 |
| Medical | 1 |
| Metallurgy | 3 |
| Military | 1 |
| Oil / petroleum | 8 |
| Oil and gas | 6 |
| Perfume | 1 |
| Pharmacology | 1 |
| Plastics | 1 |
| Polymers | 4 |
| Pulp and paper industry | 1 |
| Road works | 2 |
| Sakhalin | 1 |
| Technology | 16 |
| Thermal engineering | 1 |