octave band: 37 phrases in 13 subjects |
Acoustics | 3 |
Astronautics | 3 |
Aviation | 6 |
Construction | 1 |
Ecology | 1 |
Electronics | 2 |
Household appliances | 1 |
Makarov | 1 |
Natural resourses and wildlife conservation | 1 |
Nuclear and fusion power | 1 |
Occupational health & safety | 3 |
Technology | 11 |
Telecommunications | 3 |