مسائل المنتخبه (Articles Of Islamic Acts) - الخوئي، السيد أبوالقاسم - الصفحة ٤٣ - PURIFYING THINGS

obligatory precaution is that even after the wine having been transformed into vinegar its use should be avoided.
٢١٧. The child of an unbeliever becomes pure by means of relation (tabaiyat) in two cases: (i) if an unbeliever embraces Islam his child is subordinate to him inthe matter of purity. The same is the case if the mother, paternal grandfather or paternal grandmother of a child embraces Islam. (ii) if the child of an unbeliever iscaptured by Muslims and his father, paternal grandfather or maternal grandfather is not with him, he becomes pure. In both the cases purity of the child by means of relationis subject to the condition that he is intelligent i.e. if he can differentiate between good and evil, he should not display blasphemy.
٢١٨. The plank or slab of stone on which a dead body is bathed and the cloth with which his private parts are covered and the hands of the person who bathes him arewashed along with the dead body, become pure when ceremonial bath (the three prescribed baths) is completed.
٢١٩. When a person washes something with water, his hands, which are washed along with that thing, are purified when that thing itself becomes pure.
٢٢٠. If cloth etc. is washed with under-Kurr water and is squeezed as much as it is usually squeezed so that the water poured on it flows off, the water which stillremains in it, is pure and that water which has separated from it is also pure as explained in Article ٢٧.
٢٢١. When an impure utensil is washed with under-Kurr water the small quantity of water which remain in it after throwing away the water which has been poured on itto purify it, is pure. And as explained in Article ٢٧ the water which is thrown away after washing it is also pure.