Exodus 26:16

Young's Literal Translation 1862

ten cubits `is' the length of the board, and a cubit and a half the breadth of the one board;

See the chapter Copy

`And thou hast made the boards for the tabernacle, of shittim wood, standing up;

two handles `are' to the one board, joined one unto another; so thou dost make for all the boards of the tabernacle;