Einleitung
The following study concerns a large part of the toasters on the market. There are variations but the principle of operation remains roughly the same.
It is a simple object, so there is no particular difficulty in understanding how it works.
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            A toaster, also called a toaster in Canada and Switzerland, is a device or instrument used to hold slices of certain foods in front of a heat source for a specified period or not. Continuation of the article on Wikipedia 
 
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            Mark 1: Slots for inserting the slices of bread into the mobile basket. Usually in numbers of one or two up to 4. 
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            Mark 2: Lever for lowering the baskets and switching on the toaster 
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            Mark 3: Time delay setting button 
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            Mark 4: Defrost button 
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            Mark 5: Power on indicator 
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            Mark 6: Quick stop and eject button 
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            Mark 7: Crumb tray 
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            The functions of the toaster presented are: - toast two slices of bread on both sides - adjust the cooking time using a graduated knob (timer adjustment) - interrupt cooking using a pusher ( button) - defrost slices of bread (push button) - collect the crumbs in a container 
 
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We now know what a toaster is and what these different features are. We can move on to studying how it works in the following tutorial: “a toaster, how does it work?”