Priests: Services of Offering Sacrifices
Source: TTT
Leviticus 1:1
Then the LORD called to Moses and spoke to him from the Tent of Meeting, saying,
2 Chronicles 29:34
However, since there were not enough priests to skin all the burnt offerings, their Levite brothers helped them until the work was finished and until the priests had been consecrated. For the Levites had been more diligent in consecrating themselves than the priests had been.
2 Chronicles 35:11
And they slaughtered the Passover lambs, while the priests sprinkled the blood handed to them and the Levites skinned the animals.