Exodus 40:3, 5, 26

Place the Ark of the Covenant inside, and install the inner curtain to enclose the Ark within the Most Holy Place.

“Place the gold incense altar in front of the Ark of the Covenant. Then hang the curtain at the entrance of the Tabernacle.

He also placed the gold incense altar in the Tabernacle, in the Holy Place in front of the inner curtain.