Exodus 27:19-21

27:19 All the utensils of the tabernacle used in all its service, all its tent pegs, and all the tent pegs of the courtyard are to be made of bronze.

Offering the Oil

27:20 “You are to command the Israelites that they bring to you pure oil of pressed olives for the light, so that the lamps will burn regularly. 27:21 In the tent of meeting outside the curtain that is before the testimony, Aaron and his sons are to arrange it from evening to morning before the Lord. This is to be a lasting ordinance among the Israelites for generations to come.