ʻO ka paipu kila galvanized he paipu kila i uhi ʻia me ka zinc, ka hopena i ke kiʻekiʻe corrosion-kūpaʻa a lōʻihi hoʻi. Ua ʻike ʻia ʻo ia he paipu hao hao. no ka lawe wai a me ke kinoea.