thou shalt cleanse # 02_EXO_29_36 # And thou shalt offer every day a bullock [for] a sin offering for atonement: and thou shalt cleanse the altar, when thou hast made an atonement for it, and thou shalt anoint it, to sanctify it. 
thou shalt cleanse # 04_NUM_08_15 # And after that shall the Levites go in to do the service of the tabernacle of the congregation: and thou shalt cleanse them, and offer them [for] an offering.