 |
| bobina: 342 phrases in 35 subjects |
| Cables and cable production | 1 |
| Chemistry | 2 |
| Coal | 1 |
| Communications | 18 |
| Cultural studies | 1 |
| Earth sciences | 38 |
| Electric motors | 11 |
| Electricity generation | 1 |
| Electronics | 73 |
| General | 19 |
| Health care | 3 |
| Hobbies and pastimes | 4 |
| Industry | 73 |
| Information technology | 13 |
| Isolation | 1 |
| Magnetics | 1 |
| Materials science | 11 |
| Mechanic engineering | 22 |
| Medical | 1 |
| Metallurgy | 3 |
| Natural sciences | 3 |
| Nuclear physics | 1 |
| Patents | 7 |
| Physical sciences | 5 |
| Power system protection | 2 |
| Radio | 1 |
| Sound recording | 2 |
| Technology | 11 |
| Telephony | 1 |
| Textile industry | 1 |
| Thermal Energy | 3 |
| Transformers | 2 |
| Transport | 4 |
| Vacuum tubes | 1 |
| Welding | 1 |