LXX Num 3:36

ἡ ἐπίσκεψις ἲς ἡ φυλακὴ υἱῶν Μεραρεί· τὰς κεφαλίδας τῆς σκηνῆς καὶ τοὺς μοχλοὺς αὐτῆς καὶ τοὺς στύλους αὐτῆς καὶ τὰς βάσεις αὐτῆς, καὶ πάντα τὰ σκεύη αὐτῶν καὶ τὰ ἔργα αὐτῶν,

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,