Final answer:
The correct classification for fires involving vegetable oils and animal fats, typically found in kitchen environments, is Class K. These fires are distinct from other categories and require specially formulated extinguishing agents.
Step-by-step explanation:
The classification of fires is based on the type of materials involved in the combustion process. For fires involving vegetable oils, animal fats, commonly found in kitchen scenarios, the correct classification is Class K. Class K fires require specific extinguishing agents that are designed to suppress these high-temperature grease fires by saponification, which is the process of turning fats into soap, thus extinguishing the fire.
It's important not to confuse Class K with other fire classes. Class A fires involve ordinary combustibles such as wood and paper; Class B is for flammable liquids like gasoline; Class C is for electrical fires. Kitchens, especially commercial kitchens, are equipped with Class K fire extinguishers to deal with the specific hazards posed by cooking oil and grease fires.
The types of fires that consume vegetable oils and animal fats, generally occurring in kitchens, are defined as Class K.