Bitewe nuburyo budasanzwe, ikirahure cya vacuum cyaremye ubushyuhe bwacyo bukabije bwumuriro, guceceka bikabije, ntibyoroshye koroha hamwe nibindi bintu, kandi bizwi kandi nkurangiza ikirahure kibika ingufu, gikoreshwa cyane mubikorwa byubwubatsi.
Soma byinshi