When do I use the emergency stop?

Each dispenser has an emergency cut-off button with a cover. This button can be pressed in emergency situations. After pressing the button, the entire installation is disabled. After pressing the emergency stop, also call 112 from a safe location. When do you press the emergency stop? – Someone is (seriously) injured – In the event of a spill or accidental release of liquid (Bio-)LNG – There is a fire at the station