14 Then he brought the bull near for the sin offering, and Aaron and his sons laid their hands on the head of the bull for the sin offering. 15 Then Moses slaughtered it,* took the blood, and applied it with his finger to the horns of the altar on all sides, purifyingb the altar. He poured out the blood at the base of the altar and consecrated it so that atonement can be made on it.B,c