 |
| separador: 287 phrases in 31 subjects |
| Agriculture | 68 |
| Antennas and waveguides | 2 |
| Brazil | 6 |
| Chemistry | 19 |
| Coal | 2 |
| Communications | 7 |
| Construction | 5 |
| Earth sciences | 5 |
| Electrochemistry | 1 |
| Electronics | 22 |
| Environment | 13 |
| Finances | 1 |
| Fish farming pisciculture | 2 |
| General | 10 |
| Hobbies and pastimes | 1 |
| Industry | 14 |
| Information technology | 37 |
| Materials science | 7 |
| Mechanic engineering | 19 |
| Medical | 4 |
| Metallurgy | 3 |
| Microsoft | 17 |
| Municipal planning | 1 |
| Natural sciences | 3 |
| Patents | 2 |
| Power lines | 1 |
| Radio | 1 |
| Sound recording | 1 |
| Statistics | 1 |
| Technology | 2 |
| Transport | 10 |