Valves e faʻaaogaina lautele i ballast, faʻafefe afi ma faiga faʻaogaina o vaʻa ma faiga fau vaa.Faʻaaogaina e felauaiga kesi, vaʻa, slurry, suauʻu, ma isi. Valves i le fausiaina o vaʻa poʻo faiga vaʻa e mafai ona faʻaogaina e faʻasalalau, taofi, fetuutuunai, pulea le tafe, fetuunai le tafe poʻo le mamafa, ma faʻamalolo le mamafa.A'o...
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