Piston

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A piston is a key component within an internal combustion engine, which moves back and forth to convert pressure into mechanical work. It fits tightly inside the cylinder and is connected to the crankshaft via a connecting rod, enabling smooth power transfer from the engine to the vehicle's wheels or other machinery. The piston plays a crucial role in the engine's operation, effectively controlling the flow of air, fuel, and exhaust gases during the combustion process.