|
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 |