Mea hoʻokaʻawale no nā mea hoʻololi i hoʻokomo ʻia i ka ʻaila: 1) Lāʻau laminated, koʻokoʻo a me nā ʻāpana machining 2) Papa hoʻololi a me nā ʻāpana insulation 3) Pepa pahu corrugated, clack bands a i ʻole ka wai aila hoʻoluʻu 4) Nā kāʻei lole keʻokeʻo uila, nā kāʻei aniani E, nā kāʻei ʻūmiʻi 5) Nā pepa kiko daimana, nā pepa i hoʻokomo mua ʻia, nā pepa uwea 6) Nā paipu pepa Phenolic, ka paipu pepa a me ka paipu pepa crepe 7) Nā koʻokoʻo phenolic amorphous skeleton & nati