screw -gear : 44 phrases in 16 subjects |
Armored vehicles | 1 |
Automated equipment | 3 |
Automobiles | 4 |
Aviation | 1 |
Construction | 8 |
General | 1 |
Mechanic engineering | 5 |
Metallurgy | 4 |
Military | 2 |
Nautical | 3 |
Oil / petroleum | 1 |
Oil and gas technology | 1 |
Oilfields | 1 |
Shipbuilding | 1 |
Technology | 6 |
Transport | 2 |