 |
|
holding time : 47 phrases in 23 subjects |
| Aluminium industry | 1 |
| Applied mathematics | 2 |
| Automated equipment | 1 |
| Aviation | 1 |
| Chemistry | 1 |
| Communications | 1 |
| Computers | 6 |
| Energy industry | 1 |
| General | 5 |
| Investment | 1 |
| Mass media | 4 |
| Medical | 1 |
| Medical appliances | 2 |
| Metallurgy | 1 |
| Pharmacy and pharmacology | 1 |
| Quality control and standards | 1 |
| Refrigeration | 1 |
| Rhetoric | 1 |
| Space | 1 |
| Technology | 1 |
| Telecommunications | 11 |
| Telephony | 1 |
| Welding | 1 |