Holomua:hou ʻia, hoʻopaʻa ʻia (multi-pass circulation process)
Weled:wili lōʻihi, huki hou ʻia, hoʻopili ʻia (multi-pass circulation process)
Hoʻopili:ʻO ka paipu ʻo ia ka ʻeha i hoʻopaʻa ʻia ma luna o nā pahu metala / lāʻau a i ʻole nā wili.
Hoʻopili ʻia nā pahu a pau a i ʻole nā wili i loko o nā pahu lāʻau no ka maʻalahi o ka hana logistic.