• hoahoa tandem whakapae
• whakakaha te whakamahana/ whakahinuhinu ki te huri i te hinu taputapu whakawhiti
• taputapu pū helical hanga e te rauemi 20CrMoTi.
• te punaha whakamahana/whakaehunga kua tino rukuhia mo te roa o te mahi
• te hoahoa hiri miihini (he mea titoa he paraharaha whakaheke wai, he mowhiti whakaheke hinu me te repe labyrinth) hei tiaki i te wehenga o te tango whakaehunga me te hinu taputapu.