 |
| pumping line: 61 phrases in 20 subjects |
| Astronautics | 1 |
| Automated equipment | 3 |
| Aviation | 3 |
| Caspian | 1 |
| Construction | 5 |
| Drilling | 2 |
| Energy industry | 1 |
| General | 2 |
| Geology | 1 |
| Makarov | 1 |
| Mechanic engineering | 1 |
| Mining | 1 |
| Oil / petroleum | 10 |
| Oil and gas | 1 |
| Oil and gas technology | 2 |
| Oilfields | 1 |
| Production | 1 |
| Sakhalin | 2 |
| Technology | 21 |
| Thermal engineering | 1 |