ʻO ka pena ʻenehana wai, ka mālama ʻana i ka kaiapuni, hiki ke puhi a pahū, kūpaʻa i ka waika a me ka alkali corrosion kū'ē, anti-aging yellowing, wai kūpaʻa, nā mea i uhi ʻia ke kala anti-ʻelemakule, mālama i ka waihoʻoluʻu mau i ka nani, ikaika ka uhi ʻana i ka ʻelemakule kūʻē. , ka pāhawewe anti-ultraviolet, ka mahana wela o 60-80 degere me ka ʻole, haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa 40 degere ma lalo o ka ʻole me ka ʻole, blisters 7 * 24 hola me ka ʻole, Hoʻonui maikaʻi i ke ola lawelawe o 6-10 makahiki. ʻili, pā, pā sima, pōhaku lepo, pōhaku, aniani, ʻilika, pāpaʻi aluminika a me nā ʻano mea hoʻonani a me ka pale ʻana o ka ʻili metala.