When God sends down water from the sky and floods run through the valleys, certain quantities of foam rise on the surface of the flood water. This is similar to that foam which rises when you expose something to the heat of a fire to manufacture ornaments or for other reasons.
Ya saukar da ruwa daga sama, sai magudanai suka gudãna da gwargwadonsu, Sa'an nan kõgi ya ɗauki kumfa mai ƙãruwa, kuma daga abin da suke zuga a kansa (azurfa ko zinari kõ ƙarfe) a cikin wuta dõmin nẽman ado kõ kuwa kãyan ɗãki akwai kumfa misãlinsa (kumfar ruwa).