Which signal indicates emergency stop?

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Multiple Choice

Which signal indicates emergency stop?

Explanation:
In an emergency, the signal for emergency stop is the one that tells you to halt all motion immediately. It’s designed to stop everything right away to prevent injury or damage, and it’s typically clearly marked and quick to reach so you can act without delay. After activation, the system usually requires a reset before any further operation, ensuring a deliberate check before resuming work. Signals for travel, lowering, or trolley control are means to perform normal operations—moving to a new location, changing load height, or advancing the hoist along the bridge—so they don’t convey the immediate, all-stop command needed in an emergency.

In an emergency, the signal for emergency stop is the one that tells you to halt all motion immediately. It’s designed to stop everything right away to prevent injury or damage, and it’s typically clearly marked and quick to reach so you can act without delay. After activation, the system usually requires a reset before any further operation, ensuring a deliberate check before resuming work. Signals for travel, lowering, or trolley control are means to perform normal operations—moving to a new location, changing load height, or advancing the hoist along the bridge—so they don’t convey the immediate, all-stop command needed in an emergency.

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