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A fail-safe is a feature or device designed to automatically counteract potential failures in a system. The primary goal is to prevent loss or injury by incorporating safeguards that anticipate and mitigate possible sources of error. Essentially, it's a measure taken to ensure that if something goes wrong, the system defaults to a safe state, thereby minimizing the risk of catastrophic failure. This concept is applied to prevent unlikely series of mistakes from causing significant problems.123

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