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centrifugal separator : 21 phrases in 15 subjects |
| Agriculture | 3 |
| Astronautics | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Food industry | 1 |
| General | 1 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 4 |
| Oil and gas | 2 |
| Oil processing plants | 1 |
| Soviet | 1 |
| Space | 1 |
| Technology | 1 |
| Transport | 1 |