|
particle-sizing : 30 phrases in 14 subjects |
| Astronautics | 1 |
| Bridge construction | 1 |
| Construction | 7 |
| Drilling | 1 |
| Ecology | 4 |
| Food industry | 1 |
| Geology | 2 |
| Medical | 2 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Polygraphy | 1 |
| Quantum electronics | 1 |
| Sakhalin | 1 |
| Technology | 6 |