NET
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.
Darby
20 And thou shalt command the children of Israel, that they bring thee olive oil, pure, beaten, for the light, to light the lamp continually.
KJV
20 And thou shalt command the children of Israel, that they bring thee pure oil olive beaten for the light, to cause the lamp to burn always.