In the United States, the term czar has been used by the media to refer to appointed executive branch officials since at least the 1930s and then the 1940s under President Franklin D. Roosevelt.
Preheating in a toaster oven is very different from a traditional wall oven. The space inside traditional ovens is huge and preheating can 10 to 20 minutes. Thatâs a lot of energy being used to heat all that air! The interior of toaster ovens, on the other hand, are very small. Even the largest models donât have all that much air to heat up.
This light is usually next to the oven temperature dial. 1  Most ovens take 10 to 15 minutes to heat up to the right temperature.  If you have an older oven, you may not have a dial with the different temperatures written on it; you may just have an on-off switch.