The term "FAC System" could refer to various contexts, depending on the industry or field. Without more specific context, it's challenging to provide a precise definition. However, here are a few possibilities: 1. **Facility Access Control (FAC)**: In security and management, a FAC system is used to control access to buildings or sensitive areas. It typically involves the use of electronic systems like keycards, biometric scanners, or RFID technology to regulate who can enter specific areas.
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