|
blindaje : 51 phrases in 15 subjects |
| Communications | 3 |
| Construction | 1 |
| Earth sciences | 4 |
| Electric traction | 1 |
| Electronics | 13 |
| Environment | 3 |
| Finances | 1 |
| General | 14 |
| Industry | 2 |
| Information technology | 1 |
| Mechanic engineering | 1 |
| Medical | 2 |
| Metallurgy | 1 |
| Nuclear physics | 1 |
| Transport | 3 |