CH4 is basically non-toxic to human beings, but when the concentration is too high, it makes the oxygen content in the air decrease significantly and suffocates human beings. When the methane in the air reaches 25%-30%, it can cause headach···
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Gas is a gas that can be used as a fuel and can refer to: liquefied petroleum gas, coal gas, natural gas, combustible gas, synthesis gas, wood gas, and biogas. The common ones in our home are gas and natural gas. The main components of gas ···
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VOC is volatile organic compounds (volatile organic compounds) of the English acronym. The ordinary sense of VOC is to refer to volatile organic compounds; but the definition of environmental protection is to refer to a lively class of vola···
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What is VOC, the common sense of VOC is to refer to volatile organic compounds; but the definition of environmental protection is to refer to a lively class of volatile organic compounds, that is, will produce harm to the class of volatile ···
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