1. Hoʻohana ʻia ia i ka hana ʻana i nā alkaloids, nā mea ʻulaʻula, nā pena, nā catalysts, nā mea pale ahi a me nā ʻano mea hoʻohaumia ʻole ʻano pollution o ka ʻōnaehana wai anuanu.
2. Hiki ke hoʻohana ʻia no ka galvanized polishing agent a me nā reagents kemika.