Hesabu 4 : 12 Numbers chapter 4 verse 12

kisha watavitwaa vile vyombo vyote vya utumishi wavitumiavyo katika mahali patakatifu, na kuvitia katika nguo ya rangi ya samawi, na kuvifunika kwa ngozi za pomboo, na kuvitia juu ya miti ya kuvichukulia.
soma Mlango wa 4

They shall take all the vessels of ministry, with which they minister in the sanctuary, and put them in a blue cloth, and cover them with a covering of sealskin, and shall put them on the frame.