Kubaka ni akazi katoroshye. Birasaba imashini ziremereye gucukura, gutwara no kubaka. Abubatsi, abashoramari naba injeniyeri bakeneye ibikoresho bikomeye bishobora kwihanganira ibihe bibi kandi bigatanga imikorere idasanzwe. Kimwe mu bintu by'ibanze bigize inganda zikurikiranwa munsi ya gari ya moshi. Nuburyo bwa kabiri bukoreshwa cyane mumaguru nyuma yipine mumashini yubwubatsi. Niba ushaka ibikoresho byizewe byogukoresha ibikoresho byawe bigendanwa, uri mumahirwe. Kumenyekanisha igendanwa ryimodoka igendanwa-igisubizo cyiza kubisunika byawe bigendanwa no kwerekana ibikenewe.