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| ensretter | |||
| opretter | |||
| forstærker | |||
| ventil | |||
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rectifiers : 94 phrases in 11 subjects |
| Chemistry | 2 |
| Communications | 3 |
| Earth sciences | 4 |
| Electronics | 69 |
| Energy industry | 2 |
| General | 2 |
| Health care | 1 |
| Information technology | 2 |
| Mechanic engineering | 2 |
| Metallurgy | 3 |
| Transport | 4 |