Hesabu 19 : 21 Numbers chapter 19 verse 21

Nayo itakuwa amri ya sikuzote kwao; na yeye anyunyizaye maji ya farakano atazifua nguo zake; naye ayagusaye hayo maji ya farakano atakuwa najisi hata jioni.
soma Mlango wa 19

It shall be a perpetual statute to them: and he who sprinkles the water for impurity shall wash his clothes, and he who touches the water for impurity shall be unclean until even.