Kuki hariho itara rimwe ryimuka yimuka?
Hano hari urubanza rwa siyansi kuba afite urumuri rumwe rwinyuma, rushyirwa kuruhande rwumushoferi, kugirango imodoka ifashe neza gutwara. Dukurikije amabwiriza agenga kwishyiriraho amatara yimodoka, itara ryigihuru ryinyuma rigomba gushyirwaho, mugihe nta mabwiriza ateganijwe mu kwishyiriraho amatara y'igihu. Niba hari imwe, itara ryimbere ryimbere rigomba kuba ebyiri. Kugirango ugenzure ikiguzi, moderi zimwe na zimwe-ziheruka zirashobora guhagarika itara ryibicu hanyuma ushyireho itara rimwe ryimuka. Kubwibyo, ugereranije nicyatsi cyigihu cyimuka, itara ryibihumyo ryinyuma rirashobora kunoza ibitekerezo byimodoka yinyuma. Umwanya winyungu yinyuma yashyizweho ni uhwanye niya matara ya feri, biroroshye kwitiranya ubwoko bubiri bwumuriro kandi bigatera impanuka zumutekano. Kubwibyo, itara rimwe gusa ryukuri ryukuri kwerekana umutekano wimodoka.
