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#caustic #danger #chemical burn #hazard #sodium hydroxide #potassium hydroxide #corrosive #poison #lye solution

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#soap making #saponification #sodium hydroxide #potassium hydroxide #cold process soap #hot process soap #chemical reaction

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#chemical #alkali #base #sodium hydroxide #potassium hydroxide #corrosive #hazardous substance #chemistry #chemical salt #caustic powder