ʻO nā hiʻohiʻona huahana o ka paipu kila i uhi ʻia i loko a ma waho 1. ʻO ka maʻemaʻe, non-toxic, non-polluting, non-microorganism, e hōʻoia ana i ka maikaʻi o ka wai 2. Kūʻē i ka corrosion kemika, ka lepo a me ke kai biological corrosion, cathodic disbondment 3. ʻO ke kaʻina hana. makua, oluolu...
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