“ And Israel vowed a vow unto the LORD, and said, If thou wilt indeed deliver this people into my hand, then I will utterly destroy their cities. And they shall bear the curtains of the tabernacle, and the tabernacle of the congregation, his covering, and the covering of the badgers' skins that is above upon it, and the hanging for the door of the tabernacle of the congregation, And the hangings of the court, and the hanging for the door of the gate of the court, which is by the tabernacle and by the altar round about, and their cords, and all the instruments of their service, and all that is made for them: so shall they serve. And Moses and Aaron and the chief of the congregation numbered the sons of the Kohathites after their families, and after the house of their fathers, From thirty years old and upward even unto fifty years old, every one that entereth into the service, for the work in the tabernacle of the congregation: ”