Solvent yubururu 70 nicyuma cyoroshye solvent irangi hamwe nibintu bisa nibara ryiza, byoroshye gushonga. Ifite ibintu byinshi biranga, nko kurangi cyane, kwibanda cyane, kurwanya ikirere, ubushyuhe no kurwanya urumuri, aside na alkali. Ibi biranga bituma igisubizo ...
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