 |
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| grelha supressora | |||
| cátodo | |||
| cátodo: 84 phrases in 13 subjects |
| Chemistry | 4 |
| Communications | 1 |
| Earth sciences | 6 |
| Electronics | 49 |
| Environment | 1 |
| General | 1 |
| Lighting other than cinema | 4 |
| Medical | 2 |
| Metallurgy | 4 |
| Physical sciences | 1 |
| Radiology | 1 |
| Semiconductors | 1 |
| Vacuum tubes | 9 |