Numbers 4:31
And this is the charge of their burden, according to all their service in the tabernacle of the congregation; the boards of the tabernacle, and its bars, and its pillars, and its sockets,
Numbers 3:36-37
And under the custody and charge of the sons of Merari shall be the boards of the tabernacle, and its bars, and its pillars, and its sockets, and all its vessels, and all that serveth to it.
Exodus 26:15
And thou shalt make boards for the tabernacle of shittim wood standing up.
Numbers 7:8-9
And four wagons and eight oxen he gave to the sons of Merari, according to their service, under the hand of Ithamar the son of Aaron the priest.