Official Answer
Answer
Kunanirwa kwa hydrogène birangwa no kuvunika gutunguranye, kuvunika kugaragara munsi yumutwaro uhagaze, akenshi amasaha cyangwa iminsi nyuma yo kwishyiriraho. Ubuso bwavunitse, iyo urebye munsi ya Scanning Electron Microscope (SEM), yerekana 'intergranular' guturika, aho imbibi zintete zatandukaniye. Bitandukanye no kunanirwa umunaniro, nta 'marike yinyanja' cyangwa guhagarara. Niba igice cyicyuma cya karubone cyananiranye imburagihe mugukoresha static, inzira yo gufata isahani igomba kuba igice cyambere cyiperereza, kugenzura neza igihe-cyo guteka no guteka ibipimo byubushyuhe.
