Hesabu 8 : 12 Numbers chapter 8 verse 12

Kisha Walawi wataweka mikono yao juu ya vichwa vya hao ng'ombe; nawe umtoe mmoja kuwa sadaka ya dhambi kwa Bwana, na huyo wa pili awe sadaka ya kuteketezwa, ili kufanya upatanisho kwa ajili ya Walawi.
soma Mlango wa 8

The Levites shall lay their hands on the heads of the bulls, and you shall offer the one for a sin offering, and the other for a burnt offering to Yahweh, to make atonement for the Levites.