Here is a goal: Clean scale of the inside of a tea kettle.

How would you accomplish this goal?

(1). Place a mixture of 50 percent vinegar and 50 percent water into the kettle. Switch it on and let it boil. Cool, the remove the mixture. Give the inside a wipe with a cloth, rinse and done.. (2). Place a mixture of 90 percent water and 10 percent alcohol into the kettle. Switch it on and let it boil. Cool, the remove the mixture. Give the inside a wipe with a cloth, rinse and done..
(1).