Candy is hot. Her answer is also quite hot. Well... Much warmer anyway. It has nothing to do with ironing unless you want to be poisoned. Oops...
Second clue... Every chemist, alchemist and witch simply must have one but they are contributing to greenhouse gases.
Third clue... I turned this 90 degrees to the left because it was far too easy. Some of you use this all day every day and you would have got it the moment that you spotted it.
We need a special word. A word that officially tells me that I must put you all out of your misery and tell you the answer.