Chipiriso chake chakanga chiri ndiro yesirivha yairema mashekeri zana namakumi matatu, uye mbiya yesirivha yokusasa yairema mashekeri makumi manomwe, zvose zviri zviviri maererano neshekeri renzvimbo tsvene, zvose zviri zviviri zvakanga zvizere noupfu hwakatsetseka hwakavhenganiswa namafuta sechipiriso chezviyo;