Exodus 27:8 in the World English Bible
You shall make it hollow with planks. They shall make it as it has been shown you on the mountain.
Context
7 And the staves shall be put into the rings, and the staves shall be upon the two sides of the altar, to bear it.
8 Hollow with boards shalt thou make it: as it was shewed thee in the mount, so shall they make it.
9 And thou shalt make the court of the tabernacle: for the south side southward there shall be hangings for the court of fine twined linen of an hundred cubits long for one side: