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nodal : 67 phrases in 20 subjects |
Astronomy | 2 |
Aviation | 1 |
Cardiology | 3 |
Chemistry | 2 |
Construction | 3 |
Electronics | 2 |
Forestry | 2 |
General | 2 |
Geology | 1 |
Hydraulic engineering | 1 |
Information technology | 2 |
Mathematics | 6 |
Mechanics | 1 |
Medical | 16 |
Meteorology | 4 |
Natural resourses and wildlife conservation | 1 |
Physics | 3 |
Radio | 1 |
Surveying | 5 |
Technology | 9 |