holddown : 51 phrases in 21 subjects |
Astronautics | 4 |
Automated equipment | 1 |
Construction | 2 |
Drilling | 2 |
Energy industry | 2 |
Hydraulic engineering | 1 |
Makarov | 1 |
Mass media | 1 |
Metallurgy | 5 |
Military | 2 |
Nuclear physics | 1 |
Oil / petroleum | 4 |
Oil and gas | 2 |
Oilfields | 2 |
Roll stock | 1 |
Sakhalin | 1 |
Technology | 15 |
Transport | 1 |
Welding | 1 |
Wood processing | 1 |
Wrestling | 1 |