Iyi nyandiko isobanura kandi uburyo bwo koza no kwanika ibitumbwe. Ibyibandwaho ni igihe ibyo bikorwa bimara, kugenzura ingano y’isukari iri mu bitumbwe, kumisha ikawa neza kandi ku buryo buhoraho, kubungabunga isuku, no gucunga neza ikawa yatunganyijwe, hagamijwe kugaragaza neza impumuro n’uburyohe bw’ikawa no kugabanya inenge.