Exodus 30:18-20
18 “You shall also make (A)a laver of (a)bronze, with its base of bronze, for washing; and you shall (B)put it between the tent of meeting and the altar, and you shall put water in it.
19 Aaron and his sons shall (C)wash their hands and their feet from it;
20 when they enter the tent of meeting, they shall wash with water, so that they will not die; or when they approach the altar to minister, by offering up in smoke a fire sacrifice to the Lord.
Footnotes:
a.
Exodus 30:18: ['Or ', copper]