Numbers 1:51

1:51 Whenever the tabernacle is to move, the Levites must take it down, and whenever the tabernacle is to be reassembled, the Levites must set it up. Any unauthorized person who approaches it must be killed.

Numbers 4:7

4:7 “On the table of the presence they must spread a blue cloth, and put on it the dishes, the pans, the bowls, and the pitchers for pouring, and the Bread of the Presence must be on it continually.