 |
| abertura: 396 phrases in 37 subjects |
| Accounting | 2 |
| Agriculture | 13 |
| Antennas and waveguides | 9 |
| Brazil | 1 |
| Chemistry | 1 |
| Commerce | 1 |
| Communications | 31 |
| Construction | 3 |
| Earth sciences | 14 |
| Economy | 4 |
| Electrical engineering | 3 |
| Electricity generation | 1 |
| Electronics | 79 |
| Environment | 2 |
| Finances | 9 |
| Fish farming pisciculture | 4 |
| General | 15 |
| Hobbies and pastimes | 21 |
| Industry | 31 |
| Information technology | 12 |
| Labor law | 1 |
| Law | 8 |
| Life sciences | 3 |
| Lighting other than cinema | 4 |
| Marketing | 5 |
| Materials science | 8 |
| Mechanic engineering | 32 |
| Metallurgy | 26 |
| Microsoft | 2 |
| Municipal planning | 2 |
| Natural sciences | 8 |
| Politics | 1 |
| Power system protection | 6 |
| Radio | 2 |
| Technology | 16 |
| Textile industry | 1 |
| Transport | 15 |