 |
| |||
| A gradini | |||
| escalonado: 59 phrases in 16 subjects |
| Agriculture | 3 |
| Antennas and waveguides | 2 |
| Brazil | 1 |
| Communications | 4 |
| Earth sciences | 1 |
| Economy | 4 |
| Electric motors | 1 |
| Electronics | 5 |
| Finances | 11 |
| General | 1 |
| Industry | 3 |
| Law | 1 |
| Lighting other than cinema | 1 |
| Mechanic engineering | 7 |
| Metallurgy | 8 |
| Transport | 6 |