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建立人际资源圈The_Toaster
2013-11-13 来源: 类别: 更多范文
The Toaster
Toasters are part of most peoples everyday breakfast; you plug it in, pop the bread in, push the lever down and youre away. But theres more to toasters than just making good toast. In this report Ill take you through the inside story of the toaster, how it works, history and the technology required.
Crompton and Co. invented the first electric toaster in 1893, though it first appeared in 1909. It was a manual toaster made possible by electricity. Manual meaning it toasted one side at a time and when it was done as desired, you pulled the plug. It wasnt until 1919 that the first automatic electric toaster was invented by Charles Strite.
Todays modernized toaster is much simpler for the person to use, yet much more complicated for the device itself. It was created using the technology of current-resisting elements from electric irons and heaters. The toaster works by converting electrical energy into heat energy. To do this, the current flows directly from the power point, through the contacts to most often, the nichrome wires. Different metals react differently to the flow of current. Nichrome wires are seen to be the best as they have a fairly high electrical resistance,
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