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OEM spark plugs are those that are manufactured by the same company that produced your vehicle. They are designed to meet the specific performance standards and requirements set by the original manufacturer. This means that using OEM spark plugs can help ensure that you are getting the exact component that your vehicle was engineered to use, potentially resulting in better performance and efficiency.

Conclusion

Investment casting, also known as lost-wax casting, is one of the oldest techniques and is widely favored for its ability to create complex shapes with smooth surfaces. Here, a wax pattern is coated with a ceramic material. Once the ceramic is hardened, the wax is melted away, leaving a cavity that is then filled with molten aluminum. This process allows for high detail and accuracy and is often used in industries where precision is paramount, such as aerospace and medical devices.