Their duties were the ark, the table, the lampstand, the altars, the articles of the sanctuary used with them, and the curtain—all the service for these items.
Jewish Publication Society of America Version (JPS1917) - Numbers 3:31 >and their charge the ark, and the table, and the candlestick, and the altars, and the vessels of the sanctuary wherewith the priests minister, and the screen, and all that pertaineth to the service thereof;