Who hath measured the waters in the hollow of his hand, and meted out the heavens with his span, and grasped the dust of the earth in a measure, and weighed the mountains in a balance, and the hills in scales?
Hollow with boards shalt thou make it: as it hath been shewn thee on the mountain, so shall they make it.
And he put the staves into the rings on the sides of the altar, with which to carry it. Hollow with boards did he make it.
1 Kings 7:15
And he formed the two pillars of brass; the height of one pillar was eighteen cubits, and a line of twelve cubits encompassed the second pillar.
And as to the pillars: the height of one pillar was eighteen cubits, and a line of twelve cubits encompassed it; and the thickness thereof was four fingers: it was hollow.