back board: 44 phrases in 16 subjects |
Astronautics | 1 |
Business | 1 |
Construction | 1 |
Electronics | 1 |
Forestry | 1 |
General | 27 |
Idiomatic | 1 |
Makarov | 2 |
Mass media | 2 |
Medical | 1 |
Military | 1 |
Nautical | 1 |
Polygraphy | 1 |
Pulp and paper industry | 1 |
Technology | 1 |
Telecommunications | 1 |