Liquefied petroleum gas (limited to non-fuel uses such as industrial raw materials), natural gas (limited to non-fuel uses such as industrial raw materials), Dichloromethane, fluoromethane, trifluoromethane, 1,1,1-trifluoroethane, 1,1,2-trifluoroethane, epoxy ethylene, ethylene oxide, ethylene glycol, trifluoroethane, chlorinated or fluorinated ethylene, ethylene-chlorine-fluorine compounds, trifluoromethane, trifluoroacetic acid derivatives, tetrafluoromethane, carbon monoxide, nitrogen-containing or fluorinated compounds, chlorodifluoromethane, chloropentane, azeotropes, anhydrous chlorides, Nitrogen monoxide, triazine, 1,5,2,2,2-trifluoroethane, 1,1,2-trifluoro-1,2,2-trioxane, carbon monoxide and pentane, trifluoromethyl chloride, diazine. Carbon dioxide, trifluoromethyl chloride, pressurized liquid, ethylene, fluoroethane; dichloromethane; hexafluoromethane; difluoromethane; nitrogen-pressurized or liquefied; hexafluoroethane; petroleum gas (limited to industrial sources such as scientific research, etc., not for consumer use)