Colvanizerenge chitsulo chachitsulo, zinthu zolimba komanso zolimba, zakhala zopanda mafakitale ambiri, makamaka popanga ndi kupanga. Ndi katundu wawo wogwiritsa ntchito zachilengedwe, chitsulo cholumikizidwa chimateteza kwambiri zinthuzo, ndikupanga kukhala chabwino kugwiritsa ntchito malo omwe kulimba kumafunikira.
Werengani zambiri