The duties assigned to the sons of Merari were the tabernacle’s frames, crossbars, posts, bases, and all its equipment—all the service for these items,
KJV
And [under] the custody and charge of the sons of Merari [shall be] the boards of the tabernacle, and the bars thereof, and the pillars thereof, and the sockets thereof, and all the vessels thereof, and all that serveth thereto,
ASV
And the appointed charge of the sons of Merari shall be the boards of the tabernacle, and the bars thereof, and the pillars thereof, and the sockets thereof, and all the instruments thereof, and all the service thereof,