1.Kukhazikika kwabwino komanso kugwiritsa ntchito moyo wautali.
2.Structure ndi yosavuta komanso yaying'ono.
3.Saving danga ndi zosavuta kugwirizana ndi PCB.
1. Kukhazikika kwabwino komanso kugwiritsa ntchito moyo wautali.
2. Kapangidwe kake ndi kosavuta komanso kophatikizana.
3. Kupulumutsa malo ndi zosavuta kugwirizana ndi PCB.