 |
| water filter: 68 phrases in 23 subjects |
| Caspian | 4 |
| Construction | 7 |
| Ecology | 4 |
| Electronics | 7 |
| Energy industry | 2 |
| Food industry | 1 |
| Karachaganak | 2 |
| Law | 1 |
| Makarov | 4 |
| Mechanic engineering | 2 |
| Medical appliances | 2 |
| Military | 4 |
| Natural resourses and wildlife conservation | 2 |
| Nautical | 3 |
| Oil / petroleum | 3 |
| Oil and gas | 2 |
| Plumbing | 1 |
| Sakhalin | 4 |
| Sakhalin R | 1 |
| Sugar production | 1 |
| Technology | 9 |
| Transport | 1 |
| Weapons of mass destruction | 1 |