Numbers 4:24-28

ASV_Strongs(i)
  24 H5656 This is the service H4940 of the families H1649 of the Gershonites, H5647 in serving H4853 and in bearing burdens:
  25 H5375 they shall bear H3407 the curtains H4908 of the tabernacle, H4908 and the tent H4150 of meeting, H4372 its covering, H4372 and the covering H8476 of sealskin H4605 that is above H4539 upon it, and the screen H6607 for the door H168 of the tent H4150 of meeting,
  26 H7050 and the hangings H2691 of the court, H4539 and the screen H6607 for the door H8179 of the gate H2691 of the court, H4908 which is by the tabernacle H4196 and by the altar H5439 round about, H4340 and their cords, H3627 and all the instruments H5656 of their service, H6213 and whatsoever shall be done H5647 with them: therein shall they serve.
  27 H6310 At the commandment 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 burden, H5656 and in all their service; H6485 and ye shall appoint H4931 unto them in charge H4853 all their burden.
  28 H5656 This is the service H4940 of the families H1121 of the sons H1649 of the Gershonites H168 in the tent H4150 of meeting: H4931 and their charge H3027 shall be under the hand H385 of Ithamar H1121 the son H175 of Aaron H3548 the priest.