sliding block : 22 phrases in 13 subjects |
Artillery | 2 |
Automated equipment | 1 |
Construction | 2 |
Drilling | 1 |
Hydrology | 1 |
Makarov | 2 |
Mechanic engineering | 1 |
Military | 4 |
Nautical | 2 |
Oil / petroleum | 1 |
Rail transport | 2 |
Water resources | 1 |
Weapons and gunsmithing | 2 |