He kūpono nā ʻōpena Butterfly no nā pipelines e lawe ana i nā ʻano media corrosive a non-corrosive i loko o nā ʻōnaehana ʻenekinia e like me ke kinoea lanahu, ke kinoea maoli, ke kinoea liquefied petroleum, ke kinoea kūlanakauhale, ka ea wela a me ke anu, ka hoʻoheheʻe ʻana i nā kemika, ka hana mana a me ka palekana o ke kaiapuni. maʻa i kahi...
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