And they shall keep all the instruments of the tabernacle of the congregation, and the charge of the children of Israel, to do the service of the tabernacle. All the instruments - The tabernacle itself and all its contents: see all described, Numbers 3:25, Numbers 3:26, Numbers 3:31, Numbers 3:36, Numbers 3:37. The Levites were to perform the most common and laborious offices. It was their business to take down, put up, and carry the tabernacle and its utensils; for it was the object of their peculiar care. In a word, they were the servants of the priests.
Related Commentaries of Numbers 3:8
Numbers 3:8
8 And they shall keep all the instruments of the tabernacle of the congregation, and the charge of the children of Israel, to do the service of the tabernacle.