exposure level: 54 phrases in 23 subjects |
Acoustics | 1 |
Astronautics | 1 |
Automated equipment | 1 |
Aviation | 4 |
Aviation medicine | 1 |
Banking | 1 |
Business style | 1 |
Caspian | 1 |
Chemistry | 2 |
Ecology | 4 |
Energy industry | 1 |
General | 5 |
Gold mining | 1 |
Makarov | 4 |
Medical | 4 |
Military | 3 |
Nuclear physics | 1 |
Occupational health & safety | 4 |
Oil and gas | 2 |
Production | 2 |
Technology | 1 |
Toxicology | 2 |
Weapons of mass destruction | 7 |