May 14th, 2015
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There are two ways to increase the rate of heat transfer - to increase the convection heat transfer coefficient - to increase the surface area As - Increasing h may require the installation of a pump or fan

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Advantages of Cell PhonesThe cell phone is a new invention of the 21st century. It is still a new device in many countries, but in my country it has a long history. People do not leave their homes without their cell phones. For many people, it's a convenient way to communicate. Many parents provide their children with cell phones for safety reasons. For me, it is difficult to live without my cell phone. Cell phones have three principal advantages. The cell phone has made communication easier. In addition, cell phones provide their users with extra devices in addition to telephone. At last

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