 |
|
guidage : 335 phrases in 28 subjects |
| Agriculture | 2 |
| Antennas and waveguides | 2 |
| Chemistry | 10 |
| Coal | 2 |
| Communications | 51 |
| Construction | 3 |
| Earth sciences | 11 |
| Electric traction | 3 |
| Electronics | 11 |
| Energy industry | 2 |
| Forestry | 1 |
| General | 14 |
| Hobbies and pastimes | 1 |
| Industry | 8 |
| Information technology | 14 |
| Life sciences | 4 |
| Materials science | 1 |
| Mechanic engineering | 62 |
| Medical | 1 |
| Metallurgy | 28 |
| Natural sciences | 1 |
| Nuclear physics | 1 |
| Piezoelectric crystals | 1 |
| Power system protection | 1 |
| Radio | 1 |
| Technology | 19 |
| Thermal Energy | 1 |
| Transport | 79 |