Kuva mu 1958, igurishwa ryuzuye rya Inkuba, Ikirangantego cyerekana ibirahuri byarengeje miliyoni 100, bingana na kimwe cya kabiri cyigihugu na kimwe cya gatandatu cyisi.
Ikirahure cy'ikirahure kigizwe n'umutwe w'icyuma, ibice by'ibirahure bikarishye hamwe na pin y'ibyuma, bigahuzwa na sima.Mbere yo guterana, hejuru yicyuma gihabwa icyuma cyoroshye, umwobo wimbere wumutwe wicyuma na pin bikarangirira aho bihurira hamwe na sima yometseho igitambaro.Igipapuro nigitereko bikoreshwa mugukubita mugihe byangiritse mugihe insulirateri ihura niyaguka ryumuriro no kugabanuka.Ibice by'ibirahure bikarishye bikoreshwa mugukingira.
Indorerwamo z'ikirahure zifite ibiranga ubunini buto, uburemere bworoshye, zeru-agaciro-kwikenya, no gutahura byoroshye;imbaraga zo mu rwego rwo hejuru;kurwanya arc nziza;imikorere myiza yo kwisukura kandi ntabwo byoroshye gusaza.Byongeye kandi, ibikoresho byo gutera bifite ibyiza byo hydrophobicity ikomeye, kurwanya igihe kirekire kurwanya umwanda, umuyoboro muke utagaragara hejuru, hamwe no kubungabunga ibidukikije mugihe ukora;ikoreshwa cyane mumuzingo itandukanye murugo no mumahanga.
Disikete yo guhagarika ibirahuri bigabanijwe mubwoko busanzwe, Ubwoko bwo kurwanya umwanda, ubwoko bwa DC, Ubwoko bwa Aerodynamic, Ubwoko bwimbavu nubwoko bwikibaho.
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