ʻAno a me nā mea o ka pā

ʻO ka pā kahi mea mālama palekana maʻamau i ke ola o kēlā me kēia lā. Me ka hoʻomohala ʻana i ka hoʻokele waiwai, ua nui nā hoʻololi i ka pale kiaʻi. I kēia manawa ʻike mākou i ka pā metala. Nui nā hoʻohana no ka pā. ʻO ka mea o ka pā metala. Nui nō hoʻi nā ʻano, he aha kā lākou hoʻohana?

Nā ʻano pā:

I kēlā me kēia lā, ua māhele ʻia kā mākou pā maʻamau e like me kā lākou mau kumu: ka pā hale noho, nā alapiʻi, ka pā alanui, ka pa ea, ka pā alahaka o ka muliwai, ka pā ʻōmaʻomaʻo māla, a me nā mea ʻē aʻe, i hoʻohana ʻia i nā hale like ʻole a me nā ʻano like ʻole. Pāʻani like ʻole nā ​​kala kala.

Metala pā mea:

ʻO nā mea i hoʻohana mauʻia i ka pā metala: hao, aluminika, ke kila kila, zinc steel, a me nā mea'ē aʻe. Ma muli o ka ikaika o ke kila a me nā mea anti-corrosion o ka zinc, ʻoi aku ka maikaʻi o ka pā kila zinc i ka hoʻohana pono. Ke hoʻohana ʻia ma waho no ka manawa lōʻihi, hiki ke ʻike piha ʻia ke kūpaʻa o ka corrosion o ka pā o kēia mea.