Exodus 29

And thou shalt gird them with girdles, Aaron and his sons, and put the bonnets on them: and the priest’s office shall be their’s for a perpetual statute: and thou shalt consecrate Aaron and his sons.
Exodus 29:9 KJV https://bible.com/bible/1/exo.29.9.KJV

What a privilege, the priesthood is theirs by an everlasting covenant.

Wow.. What a blessing and we also are priests by an lasting covenant, the precious blood of Jesus https://bible.com/bible/1/exo.29.9.KJV

And thou shalt take the breast of the ram of Aaron’s consecration, and wave it for a wave offering before the LORD: and it shall be thy part.
Exodus 29:26 KJV https://bible.com/bible/1/exo.29.26.KJV

God eats by fire 🔥, we eat as human and here Moses partakers with God in the sacrifice as well as Aaron and his sons

https://bible.com/bible/1/exo.29.26.KJV

And they shall know that I am the LORD their God, that brought them forth out of the land of Egypt, that I may dwell among them: I am the LORD their God.
Exodus 29:46 KJV https://bible.com/bible/1/exo.29.46.KJV

So all these labourius processes was to pave way for God to dwell amongst his own people.https://bible.com/bible/1/exo.29.46.KJV