Ndi chitukuko chaukadaulo, kudalira kwathu ma siginecha opanda zingwe kukukulirakulira. Komabe, m'malo ena, monga zipinda zapansi, ma siginecha opanda zingwe nthawi zambiri amasokonekera kwambiri, zomwe zimakhudza kugwiritsa ntchito bwino. Chifukwa chake, ukadaulo wokulitsa ma sign apansi wawonekera. Pambuyo pake, tidzakhala ...
Werengani zambiri