Numbers 8:11-13

ABP_Strongs(i)
  11 G2532 And G873 Aaron shall separate G*   G3588 the G* Levites G593.1 for a gift G1725 before G2962 the lord G3844 from G3588 the G5207 sons G* of Israel. G2532 And G1510.8.6 they shall be G5620 so as G2038 to work G3588 the G2041 works G2962 of the lord .
  12 G3588 And the G1161   G* Levites G2007 shall place G3588 the G5495 hands G1909 upon G3588 the G2776 heads G3588 of the G3448 calves. G2532 And G4160 you shall offer G3588 the G1520 one G4012 for G266 a sin offering, G2532 and G3588 the G1520 one G1519 for G3646 a whole burnt-offering G2962 to the lord G1837.2 to atone G4012 for G1473 them.
  13 G2532 And G2476 you shall stand G3588 the G* Levites G1725 before G* Aaron, G2532 and G1725 before G3588   G5207 his sons; G1473   G2532 and G591 you shall give them back G1473   G593.1 as a gift G2962 to the lord .