Numbers 1:50

50 aBut appoint the Levites over the tabernacle of the testimony, and over all its furnishings, and over all that belongs to it. They are to carry the tabernacle and all its furnishings, and they shall take care of it band shall camp around the tabernacle.

Numbers 1:53

53But the Levites shall camp around the tabernacle of the testimony, so that there may be no cwrath on the congregation of the people of Israel. dAnd the Levites shall keep guard over the tabernacle of the testimony.”
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