case hardened: 48 phrases in 15 subjects |
Automated equipment | 3 |
Automobiles | 2 |
Electronics | 1 |
Forestry | 2 |
General | 9 |
Makarov | 3 |
Mechanic engineering | 6 |
Mechanics | 1 |
Metallurgy | 2 |
Military | 2 |
Nautical | 1 |
Oil / petroleum | 2 |
Rail transport | 1 |
Technology | 11 |
Transport | 2 |