Numbers 3:35-36

3:35 Now the leader of the clan of the families of Merari was Zuriel son of Abihail. These were to camp on the north side of the tabernacle.

3:36 The appointed responsibilities of the Merarites included the frames of the tabernacle, its crossbars, its posts, its sockets, its utensils, plus all the service connected with these things, 1 

1 tn Heb “and all their service.” This could possibly be a hendiadys: “and all their working tools.” However, the parallel with v. 26 suggests this is a separate phrase.