The fat of that which dies of itself, and the fat of that which is torn of animals, may be used for any other service, but you shall in no way eat of it.

He shall examine the plague on the seventh day. If the plague has spread in the garment, either in the warp, or in the woof, or in the skin, whatever use the skin is used for, the plague is a destructive mildew. It is unclean.