Exodus 26:33

26:33 You are to hang this curtain under the clasps and bring the ark of the testimony in there behind the curtain. The curtain will make a division for you between the Holy Place and the Most Holy Place.

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 30:36-37

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. 30:37 And the incense that you are to make, you must not make for yourselves using the same recipe; it is to be most holy to you, belonging to the Lord.

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.