Exodus 25:20

25:20 The cherubim are to be spreading their wings upward, overshadowing the atonement lid with their wings, and the cherubim are to face each other, looking toward the atonement lid.

Exodus 29:36

29:36 Every day you are to prepare a bull for a purification offering for atonement. You are to purge the altar by making atonement for it, and you are to anoint it to set it apart as holy.

Exodus 30:16

30:16 You are to receive the atonement money from the Israelites and give it for the service of the tent of meeting. It will be a memorial for the Israelites before the Lord, to make atonement for your lives.”