 |
| |||
| main switch; main switching unit | |||
| master switch | |||
|
interruptor principal : 4 do fraz, 2 tematyki |
| Nauka o ziemi | 1 |
| Technika i technologia | 3 |
|
| |||
| main switch; main switching unit | |||
| master switch | |||
|
interruptor principal : 4 do fraz, 2 tematyki |
| Nauka o ziemi | 1 |
| Technika i technologia | 3 |