3:6Bring the tribe of Levi near, and present them before Aaron the priest, that they may minister unto him.

3:7And they shall keep his charge, and the charge of the whole congregation before the tabernacle of the congregation, to do the service of the tabernacle.

3:8And they shall keep all the instruments of the tabernacle of the congregation, and the charge of the children of Israel, to do the service of the tabernacle.