Word forms: (regular plural) shut-offs
noun (Mechanical engineering: General) A shut-off is a device that turns something off, especially a machine control. ⇒ Most gasoline pumps have an automatic shut-off that turns off the pump when the car's gas tank is nearly full. ⇒ If the airflow fails, the temperature of the heater rises suddenly, and the control system can execute an immediate shut-off. ⇒ A shut-off is a device that turns something off, especially a machine control.
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