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jack knife: 34 phrases in 16 subjects |
Automobiles | 1 |
Biology | 1 |
Construction | 2 |
Econometrics | 2 |
Electronics | 1 |
General | 5 |
Ichthyology | 1 |
Makarov | 2 |
Mathematics | 2 |
Medical | 2 |
Military | 3 |
Mining | 2 |
Oil and gas | 2 |
Oil and gas technology | 1 |
Sports | 4 |
Technology | 3 |