Numbers 4:27-33

Webster_Strongs(i)
  27 H6310 At the appointment H175 of Aaron H1121 and his sons H5656 shall be all the service H1121 of the sons H1649 of the Gershonites H4853 , in all their burdens H5656 , and in all their service H6485 [H8804] : and ye shall appoint H4931 to them in charge H4853 all their burdens.
  28 H5656 This is the service H4940 of the families H1121 of the sons H1649 of Gershon H168 in the tabernacle H4150 of the congregation H4931 : and their charge H3027 shall be under the hand H385 of Ithamar H1121 the son H175 of Aaron H3548 the priest.
  29 H1121 As for the sons H4847 of Merari H6485 [H8799] , thou shalt number H4940 them after their families H1004 , by the house H1 of their fathers;
  30 H7970 From thirty H8141 years H1121 old H4605 and upward H2572 even to fifty H8141 years H1121 old H6485 [H8799] shalt thou number H935 [H8802] them, every one that entereth H6635 into the service H5647 [H8800] , to do H5656 the work H168 of the tabernacle H4150 of the congregation.
  31 H4931 And this is the charge H4853 of their burden H5656 , according to all their service H168 in the tabernacle H4150 of the congregation H7175 ; the boards H4908 of the tabernacle H1280 , and its bars H5982 , and its pillars H134 , and its sockets,
  32 H5982 And the pillars H5439 around H2691 the court H134 , and their sockets H3489 , and their pins H4340 , and their cords H3627 , with all their instruments H5656 , and with all their service H8034 : and by name H6485 [H8799] ye shall reckon H3627 the instruments H4931 of the charge H4853 of their burden.
  33 H5656 This is the service H4940 of the families H1121 of the sons H4847 of Merari H5656 , according to all their service H168 , in the tabernacle H4150 of the congregation H3027 , under the hand H385 of Ithamar H1121 the son H175 of Aaron H3548 the priest.