What safety feature is commonly included in hydraulic systems?

Hydraulic systems are designed with several safety features to ensure safe operation and prevent accidents. Among these, emergency shut-off valves are critical as they allow for immediate cessation of hydraulic flow in case of an emergency, helping to prevent system failure or hazardous conditions. Pressure gauges play a vital role by providing real-time monitoring of system pressure, which is essential for safe operation and helps detect potential issues before they lead to failures. Temperature sensors are equally important; they monitor the temperature within the hydraulic fluid, ensuring it stays within safe operational limits and preventing overheating, which can result in fluid degradation or other issues.

Since emergency shut-off valves, pressure gauges, and temperature sensors each serve a unique function in enhancing the safety and reliability of hydraulic systems, it's accurate that "all of the above" are commonly included in hydraulic systems. This comprehensive approach to safety helps provide a safer working environment and prolongs the life and efficiency of the hydraulic equipment.