When the priests are ready to leave the temple, they must go through these rooms before they return to the outer courtyard. They must leave their sacred clothes in these rooms and put on regular clothes before going anywhere near other people.
Then you must once again shave your head, face, and eyebrows, as well as the hair on the rest of your body. Finally, wash your clothes and take a bath, and you will be completely clean.
Aaron, step up to the altar and offer the sacrifice to please the LORD, then offer the sacrifices for the forgiveness of your sins and for the sins of the people, just as the LORD has commanded.
These rules are merely about such things as eating and drinking and ceremonies for washing ourselves. And rules about physical things will last only until the time comes to change them for something better.