Isomo hano nuko uburambe bwiza buganisha ku cyizere, kandi ikizere kiganisha ku ntsinzi. Ukubokoinzigafungura ibintu byinshi byiterambere murugo. Niyo mpamvu ari igikoresho cyakazi mubucuruzi. Amayeri ni ukuza kumyanzuro iboneye kubijyanye no guhitamo ibikoresho nka nyiri urugo. Nizera ko imwe mu mpamvu zifata intoki zizunguruka zidakunze gukundwa cyane muruziga-ubwawe ni uko banyiri amazu benshi bahitamo ibiti bihendutse, bikunda ibibazo. Niba utekereza ko ukeneye uruziga ruzengurutse, ukeneye icyiza. Kandi ibi bivuze ibirenze icyitegererezo cyubukungu.

Utitaye ku gishushanyo mbonera wahisemo, igiciro cyigikoresho rwose kiribagirana nyuma yigihe cyiza gikomeje kwishimira. Jya wambara ibirahure byumutekano no kurinda kumva mugihe ukoresheje ibiti, fata umwanya wawe kuri buri gukata hanyuma usabe undi muntu gufata igihangano cyawe kukintu gikomeye mugihe wungutse ubuhanga hamwe no gukata kwambere. Nibwo buryo Norm yafashe none afite igisenge gishya kandi afite ikizere cyinshi.