(SEE 4:34)
From now on, all Levites at least twenty years old
He then counted the Levite men who were at least thirty years old, and the total was thirty-eight thousand.
When the camp is ready to be moved, the Kohathites will be responsible for carrying the sacred objects and the furnishings of the sacred tent. But Aaron and his sons must have already covered those things so the Kohathites won't touch them and die.
(SEE 4:2)
(SEE 4:29)