plug hole: 74 phrases in 25 subjects |
Armored vehicles | 3 |
Artillery | 1 |
Automated equipment | 1 |
Automobiles | 3 |
Aviation | 1 |
Construction | 1 |
Electronics | 2 |
Explosives and Explosive Ordnance Disposal | 1 |
Figurative | 1 |
Finances | 1 |
General | 5 |
Geophysics | 1 |
Makarov | 9 |
Mechanic engineering | 4 |
Military | 3 |
Mining | 1 |
Oil / petroleum | 7 |
Oil and gas | 2 |
Oil and gas technology | 3 |
Oilfields | 1 |
Pipelines | 1 |
Rail transport | 1 |
Technology | 18 |
Transport | 2 |
Weapons of mass destruction | 1 |