exposure time: 73 phrases in 26 subjects |
Aviation | 3 |
Aviation medicine | 2 |
Building structures | 1 |
Chemistry | 1 |
Cinematography | 2 |
Ecology | 1 |
Electronics | 2 |
Firefighting and fire-control systems | 4 |
General | 8 |
Health care | 1 |
Laser medicine | 1 |
Makarov | 2 |
Mass media | 4 |
Medical | 4 |
Medical appliances | 6 |
Military | 12 |
Nanotechnology | 1 |
Nuclear physics | 1 |
Occupational health & safety | 1 |
Oil and gas | 1 |
Photography | 3 |
Polygraphy | 2 |
Sakhalin | 1 |
SAP finance | 1 |
Security systems | 1 |
Technology | 7 |