 |
oxygenation
of the | water
| oxygenation | |
| environ. | hapnikuga rikastamine |
| water | |
| econ. | vesi |
| environ. | veekogu; vesi |
| |||
| hapnikuga rikastamine | |||
| oxygenation: 4 phrases in 1 subject |
| Mineral products | 4 |