Berean Standard Bible (BSB)
Then he inserted the poles into the rings on the sides of the altar for carrying it. He made the altar with boards so that it was hollow.
World English Bible (WEB)
He put the poles into the rings on the sides of the altar, with which to carry it. He made it hollow with planks.
Strong's King James
And he put{H935}{(H8686)} the staves{H905} into the rings{H2885} on the sides{H6763} of the altar{H4196}, to bear{H5375}{(H8800)} it withal; he made{H6213}{(H8804)} the altar hollow{H5014}{(H8803)} with boards{H3871}.
The F.O.G *
The F.O.G Message *
Young's Literal Translation
and he bringeth in the staves into the rings on the sides of the altar, to bear it with them; hollow with boards he made it.