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Diodes, particularly semiconductor diodes, are key components that allow current to flow in one direction only. They are used for rectification, meaning they convert alternating current (AC) to direct current (DC), which is essential for powering most electronic devices. Zener diodes are another important type, providing voltage regulation by allowing current to flow backwards once a specific voltage is exceeded, protecting sensitive electronic parts from voltage spikes.


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There are different types of engine cams, the most common being the camshaft, which can be either overhead (OHC) or in-block. Overhead camshafts—found in many modern vehicles—are designed to reduce engine height while improving efficiency. Each engine cam type exhibits its own unique characteristics, allowing manufacturers to optimize performance for specific applications, from daily driving to high-performance racing.


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