ʻO ka mining, petroleum, kemika, ka meaʻai, ka lāʻau lapaʻau, a me nā ʻoihana ʻē aʻe e ʻike i kā mākou kiʻi pale kila kila.
Hiki ke hoʻohana ʻia no ka ʻakika, ka nānā ʻana i nā kūlana kūlohelohe alkali a me ka kānana ʻana, hiki ke hoʻohana ʻia e like me ka ʻoihana petroleum e like me ka pale lepo, hiki ke hoʻohana ʻia i ka ʻoihana fiber kemikal e like me ka pale pale.