ʻO kaʻano maʻamau o ka pahu pahu pahu pahu pahu pahu hana i hanaʻia i kahi pākuhi bubus me nā kihi o ISO. ʻO ke kino a me ka nui o ke kino ciel a me nā cheel cheel e paleʻia, paleʻia mai ka corrosion ma loko, a mālamaʻia me kahi kapaʻeluaʻelua ma waho. ʻO nā wahi i loaʻa i nā wahi i loaʻa ai i nā mea e loaʻa ai no ka hele maʻalahi a me ke kūʻaiʻana ma ke ala e hele ai ma ke alanui, rail, a moku paha.