 |
| filament: 243 phrases in 29 subjects |
| Agriculture | 3 |
| Analytical chemistry | 7 |
| Antennas and waveguides | 2 |
| Astronomy | 5 |
| Chemistry | 2 |
| Coal | 4 |
| Coffee | 1 |
| Communications | 1 |
| Construction | 1 |
| Earth sciences | 5 |
| Economy | 2 |
| Electronics | 49 |
| Fishery fishing industry | 1 |
| General | 9 |
| Health care | 4 |
| High energy physics | 2 |
| Ichthyology | 3 |
| Industry | 32 |
| Life sciences | 1 |
| Lighting other than cinema | 2 |
| Medical | 12 |
| Metallurgy | 1 |
| Microbiology | 1 |
| Natural sciences | 3 |
| Patents | 3 |
| Superconductivity | 3 |
| Technology | 12 |
| Textile industry | 66 |
| Transport | 6 |