Ubwoya bwa Yak ni ubwoko bumwe bwa fibre nziza yinyamanswa, biroroshye cyane, bishyushye, byoroheje kandi byoroshye, ubwoya bwak hafi bukomoka mu ntara ya Tibet na Qinghai mu Bushinwa.Hariho ubwoya bwijimye bwijimye bwubwoya bwa ubwoya bwera bwera, diameter ya ubwoya bwa yak ni 19.0-20mic, n'uburebure ni kuva 24mm kugeza 28mm.
Bitewe na fib ya yak ubwoya ni ngufi, biragoye rero kubyara hejuru yubwoya bwa ubwoya.Mubyukuri hari abakiriya bamwe kumasoko ya yak ubwoya bwo hejuru, bakoresha top ubwoya bwo hejuru kugirango bazunguruke.
Nyuma yigihe kinini cyo gukora ibizamini, amaherezo turabona hejuru yubwoya bwa bwoya bubi neza, uburebure bwo hejuru bugera kuri 38mm.Twakoze amabwiriza kuri yak ubwoya bwo hejuru kandi tubona amakuru meza kubyerekeye.Ubu turimo gukora byinshi kandi byinshi bya yak ubwoya bwo hejuru kugirango duhuze ibyifuzo byabakiriya.
Igihe cyo kohereza: Ugushyingo-30-2022