Spark plugs are electrical devices used in internal combustion engines to ignite the air-fuel mixture. They are a crucial component in gasoline engines, and their primary function is to create a spark that ignites the fuel-air mixture in the engine's combustion chamber. This ignition generates the power needed to drive the engine. A spark plug consists of several key parts: 1. **Insulator:** Made of ceramics, it insulates the central electrode from the metal shell to prevent electrical leakage.
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