ʻElua lālani pōpō o nā bearings pōpō hoʻonohonoho ponoʻī, kahi ala heihei poepoe maʻamau i loko o ke apo waho a me ʻelua mau ʻauwaha ala heihei hohonu i loko o ke apo o loko. ,He ala heihei poepoe ko nā bearings pōpō hoʻonohonoho ponoʻī i loko o ke apo o waho me kahi kikowaena o ke kuʻekuʻe i kūlike me ke kikowaena bearing. ʻAe kēia i ke apo o loko, nā pōpō, a me ka hale paʻahao e wili manuahi a puni ke kikowaena bearing, e mālama ana i ke kaulike.