 |
| |||
| robbing of gold from pregnant liquor (MichaelBurov); robbing of gold from gold cyanide solution (MichaelBurov) | |||
| адсорбция золота из золотосодержащего раствора: 3 phrases in 1 subject |
| Gold mining | 3 |
|
| |||
| robbing of gold from pregnant liquor (MichaelBurov); robbing of gold from gold cyanide solution (MichaelBurov) | |||
| адсорбция золота из золотосодержащего раствора: 3 phrases in 1 subject |
| Gold mining | 3 |