Ko e ngongo pulupulū ko e taha ʻo e fanga ngongo ia. Ko e manupuna ʻo e tuʻafanga ʻi Tongá ni. ʻOku ne tātātaha, ʻoku nofo ʻi he ongo Niua pē. ʻOku tatau ʻene ʻasi mo e ngongo lavilavi, ka ʻoku ne nofo pē ʻi he tonga mamaʻo. Naʻe tui ʻe he kau saienesi ʻi he taimi kuo hili, ko e ongo faʻahinga naʻe taha pē. Ko hono lahi ko e senitimita ʻe 27, kapakau sm ʻe 60.