What does Numbers 4:16 mean?

And the charge of Eleazar the son of Aaron the priest shall be the oil for the light, and the sweet incense, and the continual meal-offering, and the anointing oil, the charge of all the tabernacle, and of all that therein is, the sanctuary, and the furniture thereof.

And to the office of Eleazar the son of Aaron the priest pertaineth the oil for the light, and the sweet incense, and the daily meat offering, and the anointing oil, and the oversight of all the tabernacle, and of all that therein is, in the sanctuary, and in the vessels thereof.

And the charge of Eleazar the son of Aaron the priest shall be the oil for the light, and the sweet incense, and the continual meal-offering, and the anointing oil, the charge of all the tabernacle, and of all that therein is, the sanctuary, and the furniture thereof.

And Eleazar, the son of Aaron the priest, is to be responsible for the oil for the light, and the sweet perfumes for burning, and the regular meal offering, and the holy oil; the House and the holy place and everything in it will be in his care.

`And the oversight of Eleazar, son of Aaron the priest, <FI>is<Fi> the oil of the lamp, and the spice-perfume, and the present of continuity, and the anointing oil, the oversight of all the tabernacle, and of all that <FI>is<Fi> in it, in the sanctuary, and in its vessels.'

And over them shall be Eleazar the son of Aaron the priest, to whose charge pertaineth the oil to dress the lamps, and the sweet incense, and the sacrifice, that is always offered, and the oil of unction, and whatsoever pertaineth to the service of the tabernacle, and of all the vessels that are in the sanctuary.

And Eleazar the son of Aaron the priest shall have the oversight of the oil for the light, and the fragrant incense, and the continual oblation, and the anointing oil, — the oversight of the whole tabernacle, and of all that is therein, over the sanctuary, and over its furniture.