 |
| |||
| конструкция долота | |||
|
bit design : 6 phrases in 4 subjects |
| Information technology | 2 |
| Mass media | 1 |
| Mining | 1 |
| Oil / petroleum | 2 |
|
| |||
| конструкция долота | |||
|
bit design : 6 phrases in 4 subjects |
| Information technology | 2 |
| Mass media | 1 |
| Mining | 1 |
| Oil / petroleum | 2 |