 |
| apertura: 127 phrases in 28 subjects |
| Accounting | 2 |
| Agriculture | 3 |
| Antennas and waveguides | 1 |
| Chemistry | 2 |
| Communications | 9 |
| Earth sciences | 5 |
| Economy | 1 |
| Electronics | 42 |
| Finances | 5 |
| General | 2 |
| Hobbies and pastimes | 10 |
| Industry | 3 |
| Information technology | 1 |
| Insurance | 1 |
| Law | 2 |
| Lighting other than cinema | 2 |
| Marketing | 2 |
| Materials science | 4 |
| Mechanic engineering | 10 |
| Metallurgy | 3 |
| Microsoft | 2 |
| Municipal planning | 1 |
| Natural sciences | 1 |
| Power system protection | 5 |
| Radio | 1 |
| Scientific | 1 |
| Technology | 1 |
| Transport | 5 |