Cufka curiyaha ama iskudhiska ku darsami kara ama barabixin kara hal garaam oo haydarojiin ah (ama siddeed garaam oo ogsijiin ama 35.5 garaam oo koloriin) marka falgal kimikaad dhacayo. Culays-isudhiganku wuxu u taaganyahay “awoodda ku-darsamidda” ee walaxda.