Khalidwe Magwiridwe:
kukana kwabwino kwambiri ndikukangana koyenera, kuchuluka kwa ubiedity, kuchepa kwa mphamvu zamagetsi ndikukhala ndi mawonekedwe osunthika; Kuchita bwino kwa mamasukidwe akayendedwe, kuonetsetsa kuti magwiridwe antchito akuyenda bwino pansi pazovuta, zida za mphira zimatha kusinthasintha bwino kuti zisawonongeke;
Zida Zoyenera:
oyenera mitundu ingapo yamagetsi yolumikiza yamadzi ndi zotengera zotengera zamagetsi zamakina ndi makina omanga;
