KJV: Take it of them, that they may be to do the service of the tabernacle of the congregation; and thou shalt give them unto the Levites, to every man according to his service.
NASB: "Accept these things from them, that they may be used in the service of the tent of meeting, and you shall give them to the Levites, to each man according to his service."
KJV: And thou shalt bring the Levites before the tabernacle of the congregation: and thou shalt gather the whole assembly of the children of Israel together:
NASB: "So you shall present the Levites before the tent of meeting. You shall also assemble the whole congregation of the sons of Israel,
KJV: And Aaron shall offer the Levites before the LORD for an offering of the children of Israel, that they may execute the service of the LORD.
NASB: "Aaron then shall present the Levites before the LORD as a wave offering from the sons of Israel, that they may qualify to perform the service of the LORD.
KJV: And the Levites shall lay their hands upon the heads of the bullocks: and thou shalt offer the one for a sin offering, and the other for a burnt offering, unto the LORD, to make an atonement for the Levites.
NASB: "Now the Levites shall lay their hands on the heads of the bulls; then offer the one for a sin offering and the other for a burnt offering to the LORD, to make atonement for the Levites.