Hoʻohana nui ʻia nā pahu kelepona kelepona i ka hoʻoheheʻe ʻana i ke kila, ka petrochemical, ka mana uila, ka uila, nā alahao, nā kahua kūkulu, nā mokulele, nā mines, nā mea kanu mining, nā lako wai a me nā mea kanu mālama wai, a me nā awa, nā hale kūʻai kūʻai, nā hōkele a me nā wahi ʻē aʻe e like me ka lako mana o na lako i laweia mai.ʻO ka hoʻonohonoho palekana e like me ka pale leakage koʻikoʻi, ka mea pale wela a me ka plug-resistant dust-proof a me nā kumu wai e hoʻokō i nā pono o ka palekana, ka maʻalahi a me ka pono.