| |||
отверстие для раскрытия (на клинке складного ножа Yuriy83) |
opener hole : 20 phrases in 10 subjects |
Bridge construction | 1 |
Drilling | 2 |
Geology | 1 |
Molikpaq | 1 |
Oil / petroleum | 6 |
Oil and gas technology | 4 |
Oilfields | 1 |
Sakhalin | 1 |
Technology | 2 |
Well control | 1 |