Mei he ʻaho ʻoku ke fakatau ai ʻa e tefitoʻi koloa synthetic，Fiefia ʻi he taʻu ʻe 1 ʻo e maluʻi hili ʻa e tuʻuaki koloa，Neongo ia, ʻoku fie maʻu ke muimui ki he ngaahi tefitoʻi moʻoni ko ʻení：
1． Te ke lava ʻo foaki ha kaati maluʻi ʻoku kei ʻaongá mei heʻemau kulupú。
2． Naʻe ʻikai ke fokotuʻutuʻu ʻe he koloa ia，fakaleleiʻi，toe feʻunga，ʻOku kei tuʻu maʻu pe ʻa e fakaʻilonga QC。
3． ʻOku fakaʻaongaʻi ʻa e koloá ʻi he tuʻunga angamahení，Naʻe ʻi ai ha palopalema lelei。