 |
| sand traps: 41 phrases in 17 subjects |
| Construction | 4 |
| Ecology | 3 |
| Electronics | 2 |
| Hydraulic engineering | 1 |
| Makarov | 7 |
| Molikpaq | 1 |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 4 |
| Oil and gas | 2 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Sakhalin | 6 |
| Sakhalin R | 1 |
| Technology | 1 |
| Ventilation | 2 |
| Water resources | 3 |
| Water supply | 1 |