time duration: 45 phrases in 21 subjects |
Accounting | 1 |
Astronautics | 2 |
Automated equipment | 1 |
Automobiles | 1 |
Aviation | 1 |
Construction | 1 |
Economy | 1 |
Education | 1 |
Electrical engineering | 2 |
Electronics | 2 |
General | 2 |
Mass media | 1 |
Military | 9 |
Oil and gas | 1 |
Packaging | 1 |
Programming | 9 |
Quality control and standards | 1 |
Radio | 1 |
Sports | 1 |
Technology | 1 |
Telecommunications | 5 |