A valve, switch, or control used to stop a flow.

• A control point for turning off gas, water, or power.

用于切断气体、水或电等供应的阀门或开关。

• 关闭管线或设备的控制点。

The act of stopping a supply or service.

• An imposed cutoff of utilities for nonpayment or safety.

切断供应或停止设备运转的行为或事件。

• 因欠费或安全原因实施的停水、停电等。