... , lubricant, paraffin wax, mineral oil etc.Beverage: beer, fruit juice, drinks, milk etc.Organic chemicals: various organic acids, alcohol, benzene, formaldehyde ... , lacquers etc.Inorganic chemicals: bromine, potassium cyanide, fluorine stone etc.Foods: gelatin, vinegar, starch, syrup, sweet etc.medicine: hydrogen peroxide, vitamin ...