ʻOku falute ʻe he meʻangaue malu ʻi he keliʻanga malala ha ngaahi meʻa kehekehe: hiki hake mo e meʻangāue ki he fefonongaʻak, ngaahi meʻangāue fakamīsini mo fakaʻuhil, keli Apparatus, founga puleʻi ʻo e vaí, meʻangaue mokomoko mo e fola, ngaahi founga fakaʻehiʻehi mei he kasa, ngaahi fale fakaʻehiʻehi mei he efu malala, fakaʻehiʻehi mei he vela mo e ngaahi meʻangaue fakaongo, vakaiʻi ʻo e malú mo hono puleʻi ʻo e ngaahi system, pea pehe ki he faʻunga ʻo e ngaahi meʻa mo e fetuʻutaki.