| |||
| 0++opkald; nul-plus-plusopkald | |||
| |||
| 0+opkald; nul-plusopkald | |||
| |||
| 0-minusopkald; nul-minusopkald | |||
|
0 : 38 phrases in 13 subjects |
| Agriculture | 1 |
| Brazil | 1 |
| Communications | 8 |
| Electronics | 9 |
| Environment | 3 |
| Finances | 1 |
| General | 1 |
| Industry | 1 |
| Information technology | 2 |
| Law | 1 |
| Medical | 2 |
| Metallurgy | 4 |
| Statistics | 4 |