Hoʻohana nui ʻia nā mea hana Nitrogen i ka uila, meaʻai, metallurgy, mana uila, kemika, petroleum, lāʻau lapaʻau, textile, paka, instrumentation, mana aunoa a me nā ʻoihana ʻē aʻe, e like me ke kinoea maka, ke kinoea palekana, ke kinoea pani a me ke kinoea sila.