Kill the ram and place some of its blood on Aaron's right ear lobe, his right thumb, and the big toe of his right foot. Do the same for each of his sons and splatter the rest of the blood against the four sides of the altar.
Each day you must offer a bull as a sacrifice for sin and as a way of purifying the altar. In addition, you must smear the altar with olive oil to make it completely holy.
After it was killed, Moses dipped a finger in the blood and smeared some of it on each of the four corners of the bronze altar, before pouring out the rest at the foot of the altar. This purified the altar and made it a fit place for offering the sacrifice for sin.
At last, he killed the bull and the ram as a sacrifice to ask the LORD's blessing on the people. Aaron's sons brought him the blood, and he splattered it against the four sides of the altar.