stop screw: 45 phrases in 13 subjects |
Armored vehicles | 7 |
Automated equipment | 1 |
Automobiles | 5 |
Bridge construction | 1 |
Building materials | 1 |
Construction | 2 |
Mechanic engineering | 2 |
Mechanics | 1 |
Military | 1 |
Polygraphy | 3 |
Technology | 19 |
Transport | 1 |
Weapons and gunsmithing | 1 |