rod sounding : 30 phrases in 18 subjects |
Advertising | 1 |
Agriculture | 1 |
Armored vehicles | 1 |
Automobiles | 2 |
Construction | 1 |
General | 2 |
Geology | 1 |
Hydrography | 1 |
Hydrology | 2 |
Makarov | 2 |
Metallurgy | 1 |
Military | 4 |
Mining | 2 |
Natural resourses and wildlife conservation | 1 |
Nautical | 3 |
Oil / petroleum | 1 |
Seismology | 1 |
Technology | 3 |