Kutoka 26 : 17 Exodus chapter 26 verse 17

Kila ubao utakuwa na ndimi mbili, zenye kuunganywa huu na huu; ndivyo utakavyozifanya mbao zote za maskani.
soma Mlango wa 26

There shall be two tenons in each board, joined to one another: thus shall you make for all the boards of the tent.