Hoʻohana nui ʻia i ka petrochemical, nā mea kanu mana, nā mea kanu wai, nā mea kanu hoʻomaʻemaʻe wai, ka ʻenekini kūloko, ka ʻenekini hoʻomaʻemaʻe a me nā ʻano ʻē aʻe o nā kahua, nā ala hele wāwae, nā alahaka trestle, nā uhi ʻauwaha, nā uhi manhole, nā alapiʻi, nā pā, nā guardrails, etc.