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| deep well | |||
| shallow well | |||
|
puits profond : 23 phrases in 11 subjects |
| Agriculture | 1 |
| Earth sciences | 2 |
| Economics | 1 |
| Environment | 5 |
| General | 2 |
| Geology | 1 |
| Hydrology | 1 |
| Life sciences | 1 |
| Mechanic engineering | 7 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 1 |