15. You shall make boards for the tabernacle of acacia wood, standing upright.
16. Ten cubits shall be the length of each board, and a cubit and a half shall be the width of each board.
17. There shall be two tenons for each board, fitted to one another. You shall make all the boards of the tabernacle in this way.
18. You shall make the boards for the tabernacle, twenty boards for the south side.