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par sections; par tranches; section par section |
section by section : 19 phrases in 11 subjects |
Chemistry | 1 |
Construction | 2 |
Earth sciences | 2 |
Finances | 2 |
Forestry | 1 |
General | 1 |
Industry | 2 |
Law | 2 |
Mechanic engineering | 2 |
Medical | 1 |
Transport | 3 |