Zomangira katundu ndi chida chofunikira kwambiri chomwe chimagwiritsidwa ntchito kuyika katundu wonyamula katundu pomangirira maunyolo omwe amamangirira katundu wanu. Mwa njira zonse zomangira, maunyolo ndi zomangira katundu ali ndi minofu yambiri yogwira ntchito zolimba kwambiri - zopangira katundu wamkulu & wolemetsa.
