rotating head: 32 phrases in 13 subjects |
Automated equipment | 3 |
Drilling | 1 |
Makarov | 1 |
Mass media | 3 |
Mining | 2 |
Natural resourses and wildlife conservation | 1 |
Oil / petroleum | 4 |
Oil and gas technology | 1 |
Oilfields | 1 |
Sakhalin | 3 |
Sakhalin R | 1 |
Technology | 10 |
Weapons and gunsmithing | 1 |