ʻO ka paipu kila welded, ʻike ʻia hoʻi ʻo ka paipu welded, hana ʻia me ka pā kila a i ʻole ke kāʻei ma hope o ka crimping ʻana i ka hana ʻana i ka paipu kila welded, nui ka lōʻihi 6 mika.Welded kila paipu kaʻina hana mea maʻalahi, kiʻekiʻe hana pono, like 'ole o nā kiko'ī, emi hoʻokomo 'ana i ka lako, akā, ka laulā ikaika ma lalo o seamless kila paipu.