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Polyproopylene
Hiki i ka Pypopylene F Fiber hiki ke hoʻomaikaʻi nui i ka hana paʻa ma waena o ka fiber a me ka cement mortar, paʻa. Ke pale nei kēia i ka paleʻana o ka cement a me ka paʻa, e pale pono i ka hanaʻana a me ka hoʻomohalaʻana i ka nui o nā checks.