How do you put out a grease fire?
Class B fire
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In fire classes, a Class B fire is a fire in flammable liquids or flammable gases, petroleum greases, tars, oils, oil-based paints, solvents, lacquers, or alcohols.[1] For example, propane, natural gas, gasoline and kerosene fires are types of Class B fires.[2][3]  The use of lighter fluid on a charcoal grill, for example, creates a Class B fire.[4] Some plastics are also Class B fire materials.[3]