hard steel : 51 phrases in 18 subjects |
Armored vehicles | 1 |
Artillery | 2 |
Automated equipment | 1 |
Automobiles | 1 |
Bridge construction | 1 |
Construction | 6 |
General | 1 |
Makarov | 5 |
Mechanic engineering | 7 |
Mechanics | 1 |
Metallurgy | 4 |
Military | 3 |
Nautical | 2 |
Oil / petroleum | 1 |
Shipbuilding | 1 |
Technology | 10 |
Transport | 1 |
Weapons and gunsmithing | 3 |