| matrix abbr. | |
| life.sc. el. | matriz rocosa |
|
tweevoudig : 30 phrases in 12 subjects |
| Agriculture | 1 |
| Communications | 1 |
| Earth sciences | 4 |
| Electronics | 3 |
| Energy industry | 1 |
| Finances | 1 |
| Information technology | 5 |
| Mathematics | 4 |
| Mechanic engineering | 3 |
| Medical | 1 |
| Metallurgy | 3 |
| Statistics | 3 |