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| łuk m; lęk | |||
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| łuk elektryczny | |||
| French thesaurus | |||
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| Aviation royale du Canada | |||
| aimantation rémanente chimique | |||
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| arénosol calcarique | |||
| arc: 337 phrases in 22 subjects |
| Analytical chemistry | 3 |
| Architecture | 4 |
| Chemistry | 3 |
| Construction | 216 |
| Economy | 1 |
| Electrical engineering | 1 |
| Electronics | 1 |
| Fish farming pisciculture | 5 |
| Forestry | 1 |
| Human rights activism | 1 |
| Isolation | 2 |
| Lighting other than cinema | 4 |
| Mathematics | 4 |
| Power system protection | 3 |
| Radio | 2 |
| Radiobiology | 1 |
| Satellite communications | 2 |
| Thermal Energy | 53 |
| Transformers | 2 |
| Transport | 3 |
| Vacuum tubes | 4 |
| Welding | 21 |