Ko te pepa iraira taimana he mea whakamaarama i hangaia mai i te pepa taura hei tïpako me te kapia epoxy whakarerekë motuhake kua whakakikoruatia ki runga pepa taura ki te hanga taimana iraira.He pai rawa te kaha o te porowhita ki te aukati i te ahotea axial poto iahiko;Ko te whakapai ake i te awangawanga pumau o te porowhita ki te wera me te kaha he painga ki te oranga me te pono o te huringa.
