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In the chemical field, various gases are used as synthetic materials for chemical products. Because nitrogen is inert, it is used in chemical plants in large quantities to secure plant safety.
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Chemical synthesis components for chemical products: oxygen, nitrogen, carbon monoxide and hydrogen |

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Oxidation: oxygen |

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Purge, safety and antioxidation: nitrogen |

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Total utility supply: electric power, steam (cogeneration), and compressed air |
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