| |||
| типовой набор (изделий) | |||
|
conventional set : 5 phrases in 4 subjects |
| Drilling | 1 |
| Mathematics | 2 |
| Oil / petroleum | 1 |
| Telecommunications | 1 |
| |||
| типовой набор (изделий) | |||
|
conventional set : 5 phrases in 4 subjects |
| Drilling | 1 |
| Mathematics | 2 |
| Oil / petroleum | 1 |
| Telecommunications | 1 |