 |
| bed load: 57 phrases in 16 subjects |
| Automobiles | 1 |
| Bridge construction | 1 |
| Construction | 5 |
| Ecology | 7 |
| Electronics | 6 |
| Hydraulic engineering | 5 |
| Hydrology | 13 |
| Information technology | 1 |
| Makarov | 2 |
| Military | 1 |
| Natural resourses and wildlife conservation | 3 |
| Nautical | 2 |
| Oceanography & oceanology | 3 |
| Road works | 1 |
| Technology | 4 |
| Water resources | 2 |