ʻO nā pahu hoʻokuʻi-hōʻoia he mea koʻikoʻi i ka hōʻoia ʻana i ka palekana i nā wahi pōʻino. Hōʻike ʻia kēia mau pahu e ko lākou mau waiwai sila maikaʻi loa a me nā mana pahū pahū, e like me ka ipu i hoʻopaʻa paʻa ʻia.
Hoʻohana mua ʻia i nā ʻoihana kahi i nui ai ka pilikia o ka pahū, e like me nā ʻāpana kemika a me nā lāʻau lapaʻau, He mea nui lākou no ka wili a me ka hāʻawi ʻana i nā kaula uila i nā lewa pahū e like me ka aila a me nā mea kanu petrochemical.. Hāʻawi kā lākou hoʻolālā i nā kūlana palekana koʻikoʻi, hāʻawi i kahi hopena hilinaʻi no nā pili uila ma nā wahi pilikia nui.