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The Chairman of our company takes care of the rank and file in the company

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 A piece of a living tissue or plant that is transplanted surgically

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A person who eats the flesh of other human beings.

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 A person exhibiting excessive worry about one’s health 

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Something of little value or importance

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The study of earthquakes

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An imaginary ideal society free of poverty and suffering

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 Unable to speak distinctly or express oneself clearly