 |
| filter tank: 32 phrases in 15 subjects |
| Agriculture | 1 |
| Agrochemistry | 1 |
| Automobiles | 1 |
| Caspian | 2 |
| Ecology | 1 |
| Electricity | 1 |
| Fish farming pisciculture | 1 |
| Makarov | 1 |
| Mining | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 2 |
| Public utilities | 1 |
| Sakhalin | 2 |
| Technology | 13 |
| Transport | 3 |