 |
| drainage: 316 phrases in 25 subjects |
| Agriculture | 107 |
| Construction | 41 |
| Earth sciences | 12 |
| Economy | 3 |
| Environment | 9 |
| Finances | 8 |
| Food industry | 1 |
| Forestry | 1 |
| General | 19 |
| Health care | 1 |
| Hydrology | 2 |
| Industry | 4 |
| Labor law | 1 |
| Life sciences | 18 |
| Materials science | 2 |
| Mechanic engineering | 6 |
| Medical | 32 |
| Metallurgy | 1 |
| Name of organization | 1 |
| Natural sciences | 3 |
| Soil science | 2 |
| Technology | 1 |
| Transport | 6 |
| Waste management | 2 |
| Water resources | 33 |