Numbers 4:3-5

New International Version

³ Count^(A) all the men from thirty to fifty years of age^(B) who come to serve in the work at the tent of meeting.

⁴ “This is the work^(C) of the Kohathites^(D) at the tent of meeting: the care of the most holy things.^{(E) 5} When the camp is to move,^(F) Aaron and his sons are to go in and take down the shielding curtain^(G) and put it over the ark of the covenant law.^(H)