Kugwiritsa ntchito zida kudzakumana ndi kung'ambika M'nkhaniyi tikambirana za njira yovala zida m'magawo atatu. Pankhani ya tsamba la macheka, kuvala kwa tsamba la macheka kumagawidwa m'njira zitatu. Choyamba, tikambirana za siteji yoyamba yovala, chifukwa m'mphepete mwa tsamba la macheka ndi lakuthwa, ...
Choyamba, pogwiritsira ntchito macheka a carbide, tiyenera kusankha tsamba loyenera la macheka malinga ndi zofunikira za kamangidwe ka zipangizo, ndipo choyamba tiyenera kutsimikizira ntchito ndi kugwiritsa ntchito makinawo, ndipo ndi bwino kuwerenga malangizo a makinawo poyamba. Kuti tisayambitse ngozi chifukwa cha ...