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couverture f; terre noire pour tombe |
covering soil: 32 phrases in 9 subjects |
Agriculture | 7 |
Environment | 1 |
Forestry | 1 |
High energy physics | 5 |
Life sciences | 2 |
Name of organization | 2 |
Natural resourses and wildlife conservation | 11 |
Natural sciences | 1 |
Nuclear physics | 2 |