water level: 301 phrase in 24 subjects |
Agriculture | 10 |
Archaeology | 1 |
Automobiles | 2 |
Construction | 44 |
Earth sciences | 23 |
Electronics | 5 |
Engines | 2 |
Environment | 10 |
Fish farming pisciculture | 1 |
Forestry | 1 |
General | 34 |
Hydrology | 9 |
Law | 2 |
Life sciences | 60 |
Measuring instruments | 5 |
Mechanic engineering | 1 |
Metallurgy | 2 |
Mining | 6 |
Natural resourses and wildlife conservation | 31 |
Nuclear physics | 1 |
Physics | 8 |
Technology | 20 |
Transport | 21 |
Water polo | 2 |