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| English thesaurus | |||
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| ft | |||
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Filament : 231 phrases in 34 subjects |
| Agriculture | 2 |
| Antennas and waveguides | 3 |
| Astronomy | 1 |
| Automated equipment | 1 |
| Biology | 1 |
| Chemical fibers | 1 |
| Chemistry | 6 |
| Coal | 2 |
| Communications | 1 |
| Earth sciences | 5 |
| Economics | 2 |
| Electronics | 41 |
| Energy industry | 1 |
| Fish farming pisciculture | 1 |
| Fishery fishing industry | 1 |
| General | 6 |
| Geology | 1 |
| Health care | 1 |
| Ichthyology | 1 |
| Industry | 55 |
| Life sciences | 1 |
| Lighting other than cinema | 5 |
| Materials science | 1 |
| Medical | 6 |
| Microbiology | 1 |
| Natural sciences | 2 |
| Patents | 2 |
| Physics | 1 |
| Superconductivity | 2 |
| Technology | 9 |
| Textile industry | 60 |
| Transport | 6 |
| Vacuum tubes | 1 |
| Zoology | 1 |