ring test: 39 phrases in 21 subjects |
Agriculture | 1 |
Armored vehicles | 2 |
Aviation | 1 |
Cement | 1 |
Electrical engineering | 4 |
Electronics | 1 |
Firefighting and fire-control systems | 1 |
General | 2 |
Immunology | 1 |
Makarov | 4 |
Mechanics | 1 |
Medical | 8 |
Metallurgy | 1 |
Mining | 1 |
Oil / petroleum | 1 |
Oil and gas | 2 |
Oilfields | 1 |
Polymers | 1 |
Silicate industry | 1 |
Technology | 3 |
Telecommunications | 1 |