3. It expects an answer but at the given moment. So it gets you thinking about an answer but doesn't call for an answer right then.
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Rail squeal is a screeching train-track friction sound, commonly occurring on sharp curves. Squeal is presumably caused by the lateral sticking and slipping of the wheels across top of the railroad track. This results in vibrations in the wheel that increase until a stable amplitude is reached.
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It is easy to compare two documents for similarities. Choose the files, text, or URL you wish to compare and then upload the files on the comparison tool window. Once you click Compare, a report will be generated that displays the different types of similar text.
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a trade embargo and attempted invasion
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