The toaster is typically a small electric kitchen appliance designed to toat multiple types of bread products. There are also non-electrical toasters that can be used to toast bread products over an open fire or flame.Modern toasters are typically one of three varieties: pop-up toasters, ovens, and conveyors.
In earlier days, the completion of the toasting operation was determined by a mechanical clockwork timer; the user could adjust the running time of the timer to determine the degree of "doneness" of the toast, but the first cycle produced less toasted toast than subsequent cycles because the toaster was not yet warmed up.
Toasters made since the 1930s frequently use a thermal sensor, such as a bimetallic strip located close to the toast. This allows the first cycle to run longer than subsequent cycles. The thermal device is also slightly responsive to the actual temperature of the toast itself. Like the timer, it can be adjusted by the user to determine the "doneness" of the toast.
By comparison, toaster ovens are small electric ovens with a door on one side and a tray within. To toast bread with a toaster oven, one lays down slices of bread horizontally on the tray, closes the door, and activates the toaster. When the toast is done, the toaster turns off, but the door must be opened manually. Most toaster ovens are significantly larger than toasters, but are capable of performing most of the functions of electric ovens, albeit on a much smaller scale.
They can be used to cook toast with toppings, like garlic bread or cheese, though they tend to produce drier toast and require longer operating times, since their heating elements are located further from the toast (to allow larger items to be cooked). They may also heat less evenly than either toasters or larger electric ovens, and some glass cookware cannot be used in them.
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Sunday, October 11, 2009
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