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système de production | |||
installation d'élevage |
system of production : 20 phrases in 9 subjects |
Agriculture | 2 |
Coal | 1 |
Economics | 2 |
General | 1 |
Government, administration and public services | 1 |
Law | 1 |
Metallurgy | 1 |
Name of organization | 6 |
Statistics | 5 |