1. Hoʻohana ʻia e like me ka mea pena kala no ka enamel, a me ka hoʻopaʻa ʻana i ke keleawe, ka hana keleawe keleawe, nā pesticides, etc.
2. Hoʻohana ʻia ia no ka hana ʻana i ke keleawe keleawe maʻemaʻe a he mea maka no ka hana ʻana i nā paʻakai keleawe ʻē aʻe a me ka pā keleawe. Hoʻohana ʻia no ka hana ʻana i nā pesticides. Hoʻohana ʻia ma ke ʻano he mordant, copper catalyst, a me ka hoʻoulu ahi. Hoʻohana ʻia ʻo enamel ma ke ʻano he kala kala i ka ʻoihana enamel. Hoʻohana ʻia ia i ka ʻoihana pena e hana i nā puaʻa inorganic.
3. Hoʻohana ʻia ma ke ʻano he analytical reagents a me nā oxidants
