And under the custody
pquddah  (pek-ood-daw')
visitation (in many senses, chiefly official) -- account, (that have the) charge, custody, that which...laid up, numbers, office(-r), ordering, oversight, + prison, reckoning, visitation.
and charge
mishmereth  (mish-mer'-reth)
watch, i.e. the act (custody), or (concr.) the sentry, the post; obj. preservation, or (concr.) safe; fig. observance, i.e. (abstr.) duty or (obj.) a usage or party -- charge, keep, or to be kept, office, ordinace, safeguard, ward, watch.
of the sons
ben  (bane)
a son (as a builder of the family name), in the widest sense (of literal and figurative relationship, including grandson, subject, nation, quality or condition, etc.
of Merari
Mrariy  (mer-aw-ree')
bitter; Merari, an Israelite -- Merari.
shall be the boards
qeresh  (keh'-resh)
a slab or plank; by implication, a deck of a ship -- bench, board.
of the tabernacle
mishkan  (mish-kawn')
a residence (including a shepherd's hut, the lair of animals, figuratively, the grave; also the Temple); specifically, the Tabernacle (properly, its wooden walls)
and the bars
briyach  (ber-ee'-akh)
a bolt -- bar, fugitive.
thereof and the pillars
`ammuwd  (am-mood')
a column (as standing); also a stand, i.e. platform -- apiece, pillar.
thereof and the sockets
'eden  (eh'-den)
a basis (of a building, a column, etc.) -- foundation, socket.
thereof and all the vessels
kliy  (kel-ee')
something prepared, i.e. any apparatus (as an implement, utensil, dress, vessel or weapon) -- armour (-bearer), artillery, bag, carriage, + furnish, furniture, instrument, jewel, that is made of, one from another, that which pertaineth, pot, + psaltery, sack, stuff, thing, tool, vessel, ware, weapon, + whatsoever.
thereof and all that serveth
`abodah  (ab-o-daw')
work of any kind -- act, bondage, + bondservant, effect, labour, ministering(-try), office, service(-ile, -itude), tillage, use, work, wrought.