Paipa pipi'i (SSAW) o se li'o li'o su'isu'i carbon uamea paipa fa'alava u'amea u'amea e pei o mea mata, e masani ona extruded mafanafana, ma uelo e ala i le faiga otometi lua-uaea fa'a-fa'a-fa'alu'u arc uelo. E masani ona faʻaaogaina i le faʻainisinia o le suavai, petrochemical, vailaʻau, eletise eletise, faʻatoʻaga...
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