Numbers 1:53

1:53 But the Levites must camp around the tabernacle of the testimony, so that the Lord’s anger will not fall on the Israelite community. The Levites are responsible for the care of the tabernacle of the testimony.”

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.

Numbers 16:46

16:46 Then Moses said to Aaron, “Take the censer, put burning coals from the altar in it, place incense on it, and go quickly into the assembly and make atonement for them, for wrath has gone out from the Lord – the plague has begun!”