1. Eseesega i le faaaogaina.Fua faʻaoga ipu PE: faʻaaogaina lautele i vailaʻau vailaʻau, masini, vailaʻau vailaʻau, eletise eletise, lavalava, afifiina, meaʻai ma isi galuega.Fa'aaoga lautele i felauaiga kesi, sapalai vai, otaota, fa'ato'aga fa'ato'aga, mining fine particle solid transpor...
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