1. Hoʻohana ʻia ia i ka hana ʻana i nā alkaloids, nā mea hoʻonaninani, nā pena, nā catalysts, nā mea hoʻopaʻa ahi a me nā mea hoʻoheheʻe metala ʻano pollution-free o ka ʻōnaehana wai anuanu.
2. Hiki ke hoʻohana ʻia no ka galvanized polishing agent a me nā reagents kemika.