Vuba aha, isosiyete yacu yasinyanye neza itegeko ryumukungugu hamwe numukiriya wu Burusiya, kandi ubwishyu bwuzuye bwakiriwe.
Umufuka wumufuka watanzwe na Sino mu mahanga nigikoresho cyumye. Birakwiriye gufatwa neza, byumye, byumye, bidafite fibrous. Umufuka wo kuyungurura ukozwe mu kuyungurura imyenda cyangwa udafite imyenda (Nomex), kandi ukoresha ingaruka zo kuyuzuzanya kuyungurura imyenda ya fibre kugirango uyunguruze umukungugu. Iyo gaze irimo umukungugu yinjiye mu mukungugu wumufuka, uduce twinini numukungugu mwinshi utuza kubera uburemere buke no kugwa mu fu. Iyo gaze irimo umukungugu mwiza unyura mubikoresho byo muyungurura, umukungugu uragumirwa, kugirango gaze igerweho, bityo iteze imbere ubuziranenge bwibidukikije.
