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all the parts must be done of question 36
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Benzyl alcohol is fragrance and flavor material that also has preservative qualities. ... Although the term “alcohol” is used in the name, it does not contain any ethanol, the volatile alcohol found in alcoholic beverages and mouthwash products, and may be present in products that are considered alcohol free.
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The most common metals used for permanent magnets are iron, nickel, cobalt and some alloys of rare earth metals. There are two types of permanent magnets: those from “hard” magnetic materials and those from “soft” magnetic materials. “Hard” magnetic metals tend to stay magnetized over a long period.
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