Numbers 4:31-33 - The Duties Of The Merarite Clans
31 And, this, shall be their charge of the burdens, to the extent of all their labour in the ten of meeting, the boards of the habitation, and the bars thereof and he pillars thereof and the sockets thereof: 32 and the pillars of the court round about and their sockets anti their pins and their cords, to the extent of all their articles, to the extent of all their labour, and by names, shall ye put under their care the articles of their charge of burdens. 33 This, shall be the labour of the families of the sons of Merari, to the extent of all their labour in the tent of meeting, - in the hand of Ithamar, son of Aaron, the priest.