Kutumiza kwapamwamba kwambiri. Mfundo za bungwe lolingalira la anthu ogwira ntchito
Lingaliro la "mitundu yotumizira" imadziwika bwino kwa akatswiri onse azachuma. Ma grade conveyor ndi chizindikiro chofunikira pokonzekera kugwiritsa ntchito mwanzeru ...
