ceramic balls | |
gen. | проппант |
| |||
проппант (chunya) | |||
керамические сферы (MichaelBurov); керамические шары (MichaelBurov) |
Ceramic Ball : 16 phrases in 8 subjects |
Automated equipment | 1 |
Electronics | 3 |
General | 3 |
Karachaganak | 1 |
Mechanics | 1 |
Oil and gas | 2 |
Sakhalin | 4 |
Transport | 1 |