440 pā kila kila 440 wili kila ʻole

ʻO ka wehewehe pōkole:

ʻO ka pā kila kila ka ʻili maʻemaʻe, ka plasticity kiʻekiʻe, ka paʻakikī a me ka ikaika mechanical, a kūʻē i ka corrosion o ka waika, alkaline gas, solution a me nā media ʻē aʻe.He ʻano kila kila ʻaʻole maʻalahi i ka ʻōpala, akā ʻaʻole ia he ʻeleʻele loa.ʻO ka pā kila kila e pili ana i ka pā kila e kū nei i ka corrosion o nā media palupalu e like me ka lewa, ka mahu a me ka wai, ʻoiai ka pā hao kūpaʻa e pili ana i ka pā kila e kū nei i ka corrosion o nā media etching kemikal e like me ka waikawa, ka alkali a me ka paʻakai.He moʻolelo ʻoi aku ka nui o ka pā kila kila ma mua o hoʻokahi kenekulia mai kona puka ʻana mai i ka hoʻomaka ʻana o ke kenekulia 20.