 |
| |||
| jack-knife mast (Yeldar Azanbayev); jack-knife drilling mast | |||
| cantilever mast; collapsing mast (при перевозке); jackknife drilling mast (буровой установки) | |||
| |||
| collapse a mast | |||
| |||
| collapsing mast | |||
| складывающаяся мачта: 20 phrases in 8 subjects |
| Drilling | 6 |
| Mining | 1 |
| Oil / petroleum | 7 |
| Oil and gas | 2 |
| Oil and gas technology | 1 |
| Sakhalin | 1 |
| Sakhalin R | 1 |
| Transport | 1 |