Posankha chotenthetsera choyenera cha mpweya, muyenera kuganizira zinthu zambiri, monga mphamvu ya chotenthetsera, voliyumu, zinthu, chitetezo, ndi zina zotero. Monga wamalonda, tikukulimbikitsani kuti mumvetsere zinthu zotsatirazi pogula: 1. Power se ...
Werengani zambiri