|
core bit : 151 phrases in 17 subjects |
| Astronautics | 2 |
| Construction | 7 |
| Drilling | 4 |
| Electronics | 2 |
| Geology | 5 |
| Information technology | 7 |
| Makarov | 3 |
| Medical appliances | 2 |
| Mining | 3 |
| Oil / petroleum | 47 |
| Oil and gas | 16 |
| Oil and gas technology | 12 |
| Oilfields | 27 |
| Production | 1 |
| Radioengineering | 1 |
| Sakhalin | 1 |
| Technology | 11 |