вариация: 75 phrases in 16 subjects |
Agriculture | 4 |
Analytical chemistry | 1 |
Biology | 2 |
Chemistry | 1 |
Construction | 2 |
Economy | 3 |
Electrical engineering | 7 |
Environment | 1 |
Geophysics | 1 |
Horticulture | 4 |
Mathematics | 34 |
Mine surveying | 1 |
Mining | 4 |
Music | 1 |
Statistics | 1 |
Technology | 8 |