A gas can is a container designed to safely store and transport fuel, typically gasoline. Made from materials like plastic or metal, gas cans come in various sizes and often feature a spout for easy pouring. They are commonly used by individuals for refueling vehicles, lawn equipment, and other machinery that requires gasoline. Safety is a key consideration in the design of gas cans. Many models include features such as child-resistant caps and flame arrestors to prevent accidental ignition. Proper use and storage of a gas can are essential to minimize risks associated with flammable liquids, ensuring safety for users and the environment.