MAWONEKEDWE
Mapangidwe apamwamba a electromagnetic ndi makina, osindikizidwa bwino;makokedwe oyambira kwambiri, mawonekedwe ophatikizika, kutentha kwabwino kwambiri pa liwiro lotsika komanso phokoso lotsika pa liwiro lalikulu.Zoyenera kugwiritsa ntchito ndi VFD komanso kuyambira pafupipafupi.