Elbow ke mofuta oa phala e hokahanyang e sebelisoang hangata ha ho kenngoa lipeipi tsa metsi.E sebelisetsoa ho hokahanya mokokotlong oa phala ho fetola tataiso ea phala.Mabitso a Mang: 90 ° Elbow, Right Angle Bend Morero: Hokela liphaephe tse peli ka bophara bo tšoanang kapa bo fapaneng ho etsa hore phala e fetohe 90 °.