 |
| |||
| spaced channel (MichaelBurov); punctuated channel (MichaelBurov) | |||
| метод пунктирной борозды: 6 phrases in 2 subjects |
| Geochemistry | 1 |
| Gold mining | 5 |
|
| |||
| spaced channel (MichaelBurov); punctuated channel (MichaelBurov) | |||
| метод пунктирной борозды: 6 phrases in 2 subjects |
| Geochemistry | 1 |
| Gold mining | 5 |