extension shaft: 22 phrases in 14 subjects |
Astronautics | 1 |
Aviation | 1 |
Drilling | 1 |
Electrical engineering | 1 |
Electronics | 1 |
Energy industry | 2 |
Geology | 1 |
Makarov | 1 |
Military | 3 |
Oil / petroleum | 3 |
Oilfields | 2 |
Technology | 3 |
Transport | 1 |
Weapons and gunsmithing | 1 |