Tabernacle: The Levites: Appointed Over, and had Charge of
Source: TTT
Numbers 1:50
Instead, you are to appoint the Levites over the tabernacle of the Testimony, all its furnishings, and everything in it. They shall carry the tabernacle and all its articles, care for it, and camp around it.
Numbers 8:24
“This applies to the Levites: Men twenty-five years of age or older shall enter to perform the service in the work at the Tent of Meeting.
Numbers 18:2–4
But bring with you also your brothers from the tribe of Levi, the tribe of your father, that they may join you and assist you and your sons before the Tent of the Testimony. / And they shall attend to your duties and to all the duties of the Tent; but they must not come near to the furnishings of the sanctuary or the altar, or both they and you will die. / They are to join you and attend to the duties of the Tent of Meeting, doing all the work at the Tent; but no outsider may come near you.