 |
| |||
| тяга между перьями для привода; тяга остряка; первая тяга | |||
| тяга стрелочного перевода | |||
| head rod: 20 phrases in 12 subjects |
| Agriculture | 1 |
| Automobiles | 2 |
| Electronics | 1 |
| Hydrology | 1 |
| Mining | 2 |
| Oil / petroleum | 3 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Rail transport | 2 |
| Technology | 3 |
| Tengiz | 1 |
| Weapons and gunsmithing | 2 |