KISHO hauv Brazil
Brazilian tus khub muag CLUB ntxuav cov yeeb yam
Vitrification yog qhov tseem niaj hnub txheej txheem ntawm kev tiv thaiv thiab kev txuag xim, nws muaj cov ntaub ntawv ntawm lub chaw ua haujlwm raws li siloxane uas tsim ib txheej ntawm iav ntawm high tsis kam nyob rau saum npoo.