Ko ha meʻakelekele pe ʻa e ʻuli, pea ʻoku ʻi ai ha ngaahi konga ʻo e ʻuli ʻo ha matolu kelekele, ʻoku makakoloa ʻaki ʻa e konga lalahi. ʻOku toki fakahaaʻi pe ʻa e faikehekehe ʻi he kelekele mo e meʻa ʻa e faʻee ʻi he ngaahi ʻulungāanga fakanātula pefisiki,fakaesino,kemikale, ko, mo e hā fua. Ka ʻoku ʻikai tonu hono fakamatalaʻi ʻo e fakamatala ko ʻeni: ʻOku faʻu ʻa e ʻuli ʻe hefakaongosia ʻo e faʻee, pea ʻoku ʻikai tatau ʻa hono ngaahi ʻulungāanga mo e faʻee.Ko e ʻuli ko hano tuifio ia ʻo ha koloa mo ha meʻa ʻoku faʻu ʻe he fakaongosia kehekehe, pea ʻoku ʻi ai hafefeka, ngaahi kasa mo e viviku. ʻE fakatahaʻi e fanga kiʻi konga ʻo e kelekele ke faʻu ha kelekele ʻoku fonu he luo, ʻa ia ʻoku ʻi ai ha founga ʻi he ngaahi feituʻu kotali ke veteki (huhuʻa) mo eʻea (kasa). Ko hono ola, ko e meimei ke lau ʻa e kelekele ko ha anga ʻe tolu.
