Bọọlụ N'AKWỤKWỌ TRUNNION
A na-edozi bọọlụ ahụ na mgbanaka oche na-ese n'elu mmiri, nweere onwe ya ịgafe n'akụkụ axis valve.Ibu akụkụ na-ebute site na nrụgide na-eme na bọọlụ na-etinye obi ya site na bearings.Na obere nrụgide, a na-enweta ihe mkpuchi oche site na ntinye nke isi iyi na-eme na mgbanaka oche.Ka nrụgide na-abawanye nrụgide mmiri na-eme ka oche ahụ na-agbanye bọl.