Umunwa mugari Amacupa ya Reagent hamwe nikirahure cyerekana ibirahuri bifasha mukubika amazi yombi nifu. Aka gacupa umunwa nigiti gihagarara ni imashini. Iki kirahuri kugeza ikirahuri ni kashe yumuyaga udakoresheje reberi cyangwa cork ihagarara.

Aya macupa yuzuye umunwa, amber yikirahure reagent amacupa hamwe nubutaka bwikirahure ahagarikwa mukubika ibisubizo byoroshye. Guhagarika ibirahuri byubutaka bitanga umwuka mwiza. Nibyiza kubika neza imiti mumazi cyangwa ifu.