ʻOku faʻa ʻi ai ha lifespan ʻo e ngaahi fetuʻu streetlights ʻo fakafuofua ki he 5 ki he 10 ngaahi taʻu. ʻOku nau kau ʻi ha ngaahi konga lahi, takitaha ʻaki ha lifespan kehekehe, ʻOku totonu ke makatuʻunga ʻa e lifespan fakalukufua ʻi he ngaahi tuʻunga totonu.
ʻI he ʻavalisi, ʻe lava ke aʻu ʻa e ngaahi vaʻakau streetlight ki he 10 ngaahi taʻu, penolo ʻo e ngaahi fetuʻu fekauʻaki mo e 10-20 ngaahi taʻu, TATAKI e ngaahi mama ʻi he 50,000 houa ʻe, mo e puha ʻuhila ʻo laka hake ʻi he 5 ngaahi taʻu. Fakakaukauʻi ʻa e ngaahi konga kotoa pe, ʻOku meimei ke fekauʻaki ʻa e lifespan fakataha mo e 5-10 ngaahi taʻu.
Ko e taumuʻa ʻo e liliu mo e fakaleleiʻi ko ʻeni ke mahino, nounou, mo e meʻa ʻoku maʻungofua, fakaʻaongaʻi ʻa e leʻo fakafiefiemalie mo ha founga streamlined ke fakaleleiʻi ʻaki ʻa e laungofua mo e fokotuʻutuʻu ki he kau lea faka-Pilitania kae toe tokanga foki ki he ngaahi tuʻunga moʻui SEO ʻa e Google ki he ngaahi fakamatala lelei.