Buying used books was not always in fashion. On the contrary it was not considered acceptable and was looked down upon. College students and book-lovers made clandestine trips to stores that sold second hand books. Not only did their purchase of the large number of books that they wanted come cheap, the bookstores also gave […]
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There are many uses for fluorochemicals and organic halocarbon compounds in industry and commerce. Sometimes fluoro-chemicals are the safer alternative to chemicals that were designed to use chlorine instead. There are many medical applications of halocarbon chemicals, too, such as a wide range of anaesthetic compounds. However, the most directly industrial use is as the […]
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Fluorine is a remarkable element. In its elemental state, it is highly reactive and toxic. However, when tightly bonded to other molecules and elements, it becomes almost totally non-reactive, taking on remarkable properties that have made the manufacture of almost totally inert lubricants possible. These lubricants not only include high temperature grease and oil but […]
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