ESV: And he put the poles through the rings on the sides of the altar to carry it with them. He made it hollow, with boards.
NIV: They inserted the poles into the rings so they would be on the sides of the altar for carrying it. They made it hollow, out of boards.
NASB: Then he inserted the poles into the rings on the sides of the altar, with which to carry it. He made it hollow with planks.
CSB: Then he inserted the poles into the rings on the sides of the altar in order to carry it with them. He constructed the altar with boards so that it was hollow.
NLT: He inserted the poles through the rings on the sides of the altar. The altar was hollow and was made from planks.
KJV: And he put the staves into the rings on the sides of the altar, to bear it withal; he made the altar hollow with boards.
NKJV: Then he put the poles into the rings on the sides of the altar, with which to bear it. He made the altar hollow with boards.