its use throughout history. Among them we can count durability‚ strength and‚ as a semi-noble metal‚ good resistance to corrosion. With a hardness of 3 on the Mohs scale‚ pure copper is relatively soft and malleable‚ which makes it an easy metal to work with. Analyses of artefacts from lithic civilizations have shown that native copper had not only been hammered‚ but annealed as well (Tylecote‚ 1976). Together with lead and tin‚ copper was one of the first metals to be smelted. With 1084 degrees
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The advantages and disvandages of the commercials have long been a subject of discussion among people. The opinions vary from people to people. Some people think ads have many negative social effects. They think there are many false and misleading advertisements in present-day society. These commercials maybe deceive or mislead consumers.It will waste consumers’ money and time. Perhaps it will harm to consumers. They also think the extra costs of advertising will be passed on to the consunners
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them from the field‚ other political parties would enjoy the consequential advantage. Even some of their student leaders may join other parties with the objective of taking revenge. (ii) Unquestionably there is need for the students to learn politics such that they can love the people and the country‚ which is the first step of being the leaders. On the other hand‚ (iii) If AL allows their student faction to work‚ no government‚ no person or organization would be able to it committing the
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of bone tools of prehistoric times‚ continuing on to and beyond modern air conditioners‚ automobiles‚ and super computers. Nowadays‚ when the rapidness of development and research is so impressive‚ it is easy to think about the advantages of modern technology. ADVANTAGE: Modern technology has solved many problems that people face and play an important role in the development of many countries. Modern technologies create many kinds of products - computers‚ cloning technology‚ and video games etc
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Recently due to internet growth‚ lots of medical digital images are being shared between medical experts and hospitals for better and more precise diagnosis‚as well as for research and educational purpose and also for many other commercial and non-commercial applications. In modern times now‚ all the integrated health care systems like Hospital Information System (HIS) and Picture Archiving and Communication System (PACS) allow easy distribution of medical imageswherethe whole or the region of interest(ROI)
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help us store and organize information even tons of files within hard disk drives. Thanks to the advancement in technology‚ computers nowadays can process information far faster than the human brain can do. It simply means that the computer helps us work efficiently and save time. Furthermore‚ the computer is a good entertaining place where people can play games‚ watch movies and listen to music. For instance‚ I can watch my favourite TV show on YouTube.com with just one click‚ or have some fun with
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Benefits of Online Social Networking While there are risks inherent in online social networking‚ there are also many potential benefits. Social networking can provide opportunities for new relationships as well as strengthening existing relationships‚ whether your kids’ friends are close to home or across the world. It’s important to be vigilant when your kids are getting involved in online social networking‚ but it’s also good to encourage positive relationships through various avenues‚ including
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City is expected to be a best place where everyone can reach such better living conditions. Many people have been moving from their hometown in the countryside to start finding a chance in a big city. One of its advantages is that the city gives out many good conditions and environment for education‚ especially for youth. Moreover‚ there are great numbers of employment offered widely to everybody. However‚ pollution in big cities is such a big concern for many people. People can receive a good
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among other things. Rather than fear this new device‚ we need to embrace the technology and direct its use to support our mission of developing productive and civil citizens. We need to work to find ways in which to use this tool in class and to encourage the appropriate use of handphones in the same way we work to develop positive use of the Internet and explain the idea of netiquette online. There are many useful applications for mobile devices. Pod casting‚ live broadcasting‚ replying in real
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Advertising can be regarded as having two separate functions‚ one of persuading and one of informing consumers. Against some who claim that persuasive advertising using irrational means is moral as long as the product or service it represents is good or useful‚ this paper argues that by denigrating human reason such advertising is always immoral. On the other hand‚ advertisements which present information in a straight-forward and truthful way are always moral no matter what they advertise; indeed
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