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top- soil : 34 phrases in 15 subjects |
Agriculture | 1 |
Agrochemistry | 1 |
Automobiles | 4 |
Construction | 6 |
Ecology | 3 |
Gold mining | 1 |
Hydrology | 1 |
Karachaganak | 1 |
Military | 1 |
Mining | 1 |
Natural resourses and wildlife conservation | 1 |
Road works | 8 |
Sakhalin | 3 |
Soil science | 1 |
Transport | 1 |