Exodus 29:2
29:2 and bread made without yeast, and perforated cakes without yeast mixed with oil, and wafers without yeast spread with oil – you are to make them using fine wheat flour.
Exodus 29:5
29:5 and take the garments and clothe Aaron with the tunic, the robe of the ephod, the ephod, and the breastpiece; you are to fasten the ephod on him by using the skillfully woven waistband.
Exodus 30:37
30:37 And the incense that you are to make, you must not make for yourselves using the same recipe; it is to be most holy to you, belonging to the Lord.