 |
| oil-tight: 26 phrases in 14 subjects |
| Armored vehicles | 3 |
| Automated equipment | 1 |
| Construction | 3 |
| Electrical engineering | 1 |
| International Monetary Fund | 1 |
| Mathematics | 1 |
| Military | 1 |
| Nautical | 1 |
| Oil / petroleum | 4 |
| Oil and gas | 6 |
| Oil processing plants | 1 |
| Oilfields | 1 |
| Technology | 1 |
| Tengiz | 1 |