Exodus 26:3

3Five curtains shall be coupled to one another, and the other five curtains shall be coupled to one another.

Exodus 26:5-6

5Fifty loops you shall make on the one curtain, and fifty loops you shall make on the edge of the curtain that is in the second set; the loops shall be opposite one another. 6And you shall make fifty clasps of gold, and couple the curtains one to the other with the clasps, so that the tabernacle may be a single whole.

Ezekiel 1:23

23And under the expanse their wings were astretched out straight, one toward another. bAnd each creature had two wings covering its body.

Ezekiel 3:13

13It was the sound of the wings of cthe living creatures as they touched one another, and the sound of the wheels beside them, and the sound of da great earthquake.
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