Antifreeze/coolant plays a crucial role in the maintenance of automotive and industrial engines, serving as both a lubricant and a protective fluid. It is designed to regulate engine temperature, preventing overheating in high-performance conditions and protecting against freezing in colder climates. Composed of a mixture of water and chemical additives, antifreeze/coolant not only enhances thermal conductivity but also reduces friction between engine components, thereby minimizing wear and tear. Additionally, it contains corrosion inhibitors that safeguard metal parts from rust and degradation, ensuring the longevity and efficiency of the engine. Regularly checking and replacing antifreeze/coolant is essential for optimal engine performance and reliability.