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Puka kupua
Hoʻohana ʻia ka paona pāpaʻi pāpaʻi paona māmā, ke kūpaʻa corrosion ikaika, e like me ka wai maʻemaʻe a me ka ʻōnaehana wai inu maka, ka hoʻoheheʻe wai a me ka ʻōnaehana wai, ka wai paʻakai a me ka ʻōnaehana wai kai, ka wai a me ka alkali a me ka ʻōnaehana hoʻonā kemika a me nā ʻoihana ʻē aʻe. , ua ʻike ʻia ka maikaʻi e ka hapa nui o nā mea hoʻohana.
Nui: 2″, 2-1;2″, 3″, 4″, 6″;
