What does Leviticus 8:30 mean?

Moses took some of the anointing oil and some of the blood from the altar and sprinkled it on Aaron and his clothes, and on his sons and their clothes. That’s how he made Aaron and his sons and their clothes holy. Leviticus 8:30 - Modern Text Bible

(Sprinkling oil and blood set Aaron and his sons apart for God’s service, marking them as clean and dedicated.)