Ma'anar ƙamus na "haɗin ƙasa" yana nufin tsarin da ake amfani da shi wajen yin giya, inda ake amfani da nau'in yisti da ke nutsewa zuwa kasan jirgin ruwa yayin aikin. Irin wannan fermentation yawanci yana faruwa a ƙananan yanayin zafi, kusan 45 zuwa 55 digiri Fahrenheit, kuma nau'in yisti da ake amfani da shi yawanci yisti ne. Sakamako shine giya wanda yawanci a bayyane yake, kintsattse, kuma yana da ɗanɗano mai laushi, santsi.