 |
| comando: 1234 phrases in 44 subjects |
| Agriculture | 22 |
| Antennas and waveguides | 1 |
| Astronautics | 13 |
| Automatic control | 28 |
| Brazil | 18 |
| Cables and cable production | 1 |
| Chemistry | 8 |
| Coal | 1 |
| Communications | 127 |
| Earth sciences | 34 |
| Electric motors | 2 |
| Electric traction | 12 |
| Electrical engineering | 3 |
| Electricity generation | 3 |
| Electronics | 67 |
| General | 123 |
| Hobbies and pastimes | 2 |
| Industry | 106 |
| Information technology | 122 |
| Labor law | 3 |
| Life sciences | 4 |
| Marketing | 1 |
| Materials science | 15 |
| Mechanic engineering | 258 |
| Medical | 1 |
| Metallurgy | 4 |
| Microsoft | 23 |
| Natural sciences | 2 |
| Nuclear physics | 4 |
| Patents | 2 |
| Physical sciences | 1 |
| Power electronics | 1 |
| Power system protection | 7 |
| Radio | 3 |
| Rail transport | 20 |
| Satellite communications | 2 |
| Semiconductors | 6 |
| Technology | 8 |
| Telegraphy | 3 |
| Transformers | 2 |
| Transport | 165 |
| United Nations | 1 |
| Vacuum tubes | 4 |
| Video recording | 1 |