Exodus 5:16

5:16 No straw is given to your servants, but we are told, ‘Make bricks!’ Your servants are even being beaten, but the fault is with your people.”

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.