Exodus 30:29

30:29 So you are to sanctify them, and they will be most holy; anything that touches them will be holy.

Exodus 29:37

29:37 For seven days you are to make atonement for the altar and set it apart as holy. Then the altar will be most holy. Anything that touches the altar will be holy.

Exodus 30:10

30:10 Aaron is to make atonement on its horns once in the year with some of the blood of the sin offering for atonement; once in the year he is to make atonement on it throughout your generations. It is most holy to the Lord.”

Exodus 30:36

30:36 You are to beat some of it very fine and put some of it before the ark of the testimony in the tent of meeting where I will meet with you; it is to be most holy to you.

Exodus 40:10

40:10 Then you are to anoint the altar for the burnt offering with all its utensils; you are to sanctify the altar, and it will be the most holy altar.