melting point; for annealing 800 degrees are needed. Iron‚ by comparison‚ has a melting point of 1538 degrees Celsius. Its low melting point makes copper easy to smelt‚ cast‚ and remelt without special furnaces or a heavy investment of fuel. Another advantage of copper is that it can be recycled without any loss of quality. As pure copper is too soft for structural elements or most practical appliances‚ it needs to be hardened and strengthened. It is therefore combined with
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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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are not of the same meaning. The original meaning of democracy is the rule by the poor or by the rabble. Aristotle had a clear argument stating that a rich majority would not be able to govern fairly (Arblater‚ 2002). This essay aims to identify advantages of modern democracy-based governments‚ such as equality for men and women‚ free press and media and totalitarianism as well as provide criticism in terms of the two systems. Democracy has become the subject of various debates‚ with the supporters
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Handphone also known as mobile phone or cell phone or smart phone‚ and is an electronic device used for mobile telecommunications (mobile telephony‚ text messaging or data transmission) over a cellular network of specialized base stations known as cell sites. Martin Cooper invented the handphone. He is a Motorola researcher and executive. Martin made the first call on a handheld mobile phone on April 3‚ 1973. Cells for handphone base stations were invented in 1947 by Bell Labs engineers. Handphones
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Why we advertise our products If we want our products to be well-known we should advertise them. Advertisements play an important role in the modern economy. They are useful to both consumers and producers. They help the consumers by giving them information about various products available on the market. Many readers appreciate advertising because it lets the vendor speak directly to the consumer about the product. Where we can see advertisements We find advertisements everywhere. Most of the
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move away work from their private lives because when they finish their job and get home‚ most of the times‚ they continue working‚ they never disconnect! In conclusion‚ I would say that we have to learn how to manage computers‚ we have to take advantage of the facilities that they provide us‚ avoiding becoming their slaves‚ which means being able to live without them‚ not being dependents.
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composition of medium for the tissue culture is the most important key factor in the successful culture of plant cells. The medium should be accurately defined of inorganic and organic chemical additives so as to provide i) the nutrients for the survival of the plant cells‚ tissues and organs under culture and ii) the optimal physical condition of pH‚ osmotic pressure‚ etc. In the culture of plant cells formulating optimum type of medium favorable for in vitro culture was achieved many years ago
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What is telehealth ? telehealth is a collection of means or methods for enhancing health care‚ public health and health education delivery and support using telecommunications technologies . It also ecompasses a broad variety of technologies and tactics to deliver virtual medical ‚ health ‚ and education services. While on the other hand telemedicine is the remote diagnosis and treatment of patients by means of telecommunications technology. Telehealth uses computer assisted telecommunications
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impatient care in a hospital. Medical Insurance that pays for the doctor services and medical supplies that are not covered by hospital insurance. Medicare advantage is for people who have hospital insurance and medical insurance have the options to receive all your health care services through provider organization that’s coverage under Medicare advantage‚ and prescription drug coverage help pays for medications doctor prescribe for treatment. Medicare is an essential means of paying for health care for
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Trading has been a skill known to humans since the ancient times dated back to 9000 BC. As the years pass by‚ our trading skills have evolved to benefit us financially and continue to differentiate every day through the advancement of technology and common knowledge. Now we are living in a world where everything revolves around using money as currencies‚ but the trade doesn’t stop here. Our society is slowly accepting Cryptocurrency and using them as a way to trade items instead of using their old
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