A leather cup is a bowl-shaped item made of genuine leather, widely used in machinery, automobiles, and other fields. It is sturdy and durable, effectively preventing leakage and wear.

An exhaust manifold gasket is a crucial component in an automobile's exhaust system. Its primary function is to ensure the airtight seal of the exhaust system, preventing gas leaks. These gaskets are typically made of materials that are resistant to high temperatures and corrosion to withstand the high temperatures and harsh environment of an automobile's exhaust system.

The steering gear oil seal is an important component in a car's steering system. Its main function is to prevent oil leakage and maintain the normal operation of the steering system. This oil seal is usually made of high-quality rubber material and has good sealing and wear resistance.

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