Put a toothpick in a kettle and see what happens

Precautions essential for safe use
Appropriate amount of water: Fill your kettle to a level suitable to prevent overflows and overheating.
Dry your hands and appliance: Before each use, check that your hands, base and body of the kettle are dry to prevent the risk of electrocution.
Do not pull on the cord: Always disconnect by holding the socket directly so as not to damage the power cable.
No cooking in the kettle: The kettle is designed only to heat water. Cooking food may damage it irreversibly.

By following these simple but effective tips, you will extend the life of your kettle, save energy and ensure safe use on a daily basis. A little effort for great benefits.