1. Hoʻohana nui ʻia i ka ʻimi ʻaila, ka hoʻomaʻemaʻe aila, kemika, ka pūʻali koa a me nā wahi pōʻino ʻē aʻe a me nā paepae aila waho, nā pahu aila a me nā wahi ʻē aʻe no ka nānā ʻana a me nā kumu kukui uila;
2. He kūpono no ka pōʻaiapuni kinoea pahū āpana 0, ʻāpana 1, ʻāpana 2;
3. Lewa pahū: papa IIA, IIB, IIC;
4. He kūpono no ka lepo lepo ma ka wahi 20, 21, 22;
5. He kūpono ia no nā wahi e pono ai ka pale kiʻekiʻe, ka haʻahaʻa a me ke kinoea corrosive.