Numbers 3:7-8
3:7 They are responsible for his needs and the needs of the whole community before the tent of meeting, by attending to the service of the tabernacle.
3:8 And they are responsible for all the furnishings of the tent of meeting, and for the needs of the Israelites, as they serve in the tabernacle.
Numbers 3:28
3:28 Counting every male from a month old and upward, there were 8,600. They were responsible for the care of the sanctuary.
Numbers 3:32
3:32 Now the head of all the Levitical leaders was Eleazar son of Aaron the priest. He was appointed over those who were responsible for the sanctuary.
Numbers 4:31
4:31 This is what they are responsible to carry as their entire service in the tent of meeting: the frames of the tabernacle, its crossbars, its posts, its sockets,
Numbers 18:5
18:5 You will be responsible for the care of the sanctuary and the care of the altar, so that there will be no more wrath on the Israelites.