Hiki ke hoʻohana nui ʻia ka exhaust fan i ka mahiʻai, mahiʻai holoholona, mea kanu, textile, mining, greenhouse a me nā ʻoihana ʻē aʻe.Hoʻoikaika mākou e hana i nā huahana me ka hana maikaʻi, maikaʻi i ka maikaʻi, piha i nā ʻano like ʻole a me ke kumukūʻai maikaʻi loa.