"Aaron shall burn on it d sweet incense every morning; when e he tends the lamps, he shall burn incense on it.
New King James Version (NKJV) Copyright © 1982 by Thomas Nelson, Inc.
And the LORD said to Moses: "Take sweet spices, stacte and onycha and galbanum, and pure frankincense with these sweet spices; there shall be equal amounts of each.
1 Samuel 2:28
Did I not choose him out of all the tribes of Israel to be My priest, to offer upon My altar, to burn incense, and to wear an ephod before Me? And did I not give to the house of your father all the offerings of the children of Israel made by fire?
1 Chronicles 23:13
The sons of Amram: Aaron and Moses; and Aaron was set apart, he and his sons forever, that he should sanctify the most holy things, to burn incense before the LORD, to minister to Him, and to give the blessing in His name forever.
According to the custom of the priesthood, his lot fell to burn incense when he went into the temple of the Lord.
And you shall command the children of Israel that they bring you pure oil of pressed olives for the light, to cause the lamp to burn continually.
In the tabernacle of meeting, outside the veil which is before the Testimony, Aaron and his sons shall tend it from evening until morning before the LORD. It shall be a statute forever to their generations on behalf of the children of Israel.