Nke a bụ 13.3 sentimita asatọ ogologo beaker base bong.Ala pere mpe karịa bongs beaker a na-ahụkarị mana olu tube na-adị ogologo oge iji belata mmiri na-egbuke egbuke n'ọnụ.Ihe ọkụkụ ahụ ga-adị ire ụtọ site na nzacha mmiri, sistemu jụrụ oyi na ọwa ogologo tube.Bongs niile nwere ngwa dabara adaba.
