Physical separation refers to the process of dividing or isolating objects, substances, or individuals based on physical characteristics. This can involve methods such as sorting, filtering, or using barriers to create distinct areas. For example, in a laboratory, scientists may use physical separation techniques to isolate specific chemicals from a mixture. In everyday life, physical separation can be seen in various contexts, such as fences that divide properties or rooms in a house that create private spaces. This concept is essential in many fields, including engineering, environmental science, and safety protocols, where clear boundaries are necessary for functionality and safety.