Shenhai e fakamoʻoni fakaʻauha
Ko e maama ʻo e fakamoʻoniʻi ʻo e fakaʻauha ko ha meʻangaue fakaʻuhila ia ʻoku ʻi ai ha fakamoʻoni ʻoku ne faʻu ʻaki ha naunau ʻalaminiume alloy. ʻI he taimi ʻoku hu ai ha kasa ʻoku ne maumauʻi ʻa e hiva mo e fakatupu, ʻe lava ʻe he ngaahi meʻa ʻoku ne fakamoʻoniʻi ʻa e fakaʻauha ʻo matuʻuaki ʻa e malohi ʻo e kasa ʻoku fio pea taʻofi ʻa e fakaʻauha ʻi loto mei he mafola atu ki he ngaahi meʻa ʻoku hoko ʻi tuʻa ʻi he hiva.
ʻOku kau ʻi he tefitoʻi moʻoni ʻo e proofing ʻa hono fakaʻaongaʻi ʻo e ngaahi fetoʻaki ukamea ke taʻofi ʻa e propagation ʻo e afi fakaʻauha, mokomoko ʻo e mafana ʻo e ngaahi meʻa fakaʻauha ke tamateʻi mo fakasiʻisiʻi ʻa e vela.