👉 The aid fluid, often associated with the term "aid fluid" in certain contexts, typically refers to a specialized liquid solution used for lubrication and cooling in mechanical systems. This fluid is designed to reduce friction between moving parts, such as bearings and gears, thereby enhancing efficiency and longevity of machinery. It also helps dissipate heat generated during operation, preventing overheating and potential damage. Aid fluids are commonly used in various industrial applications, including automotive, aerospace, and manufacturing, where reliable performance under demanding conditions is crucial. They are formulated with additives that improve their lubricating properties, such as viscosity index enhancement and wear resistance.