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Olympic Games are a global multi-sport where thousands of athletes participate in various competitions.
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Roman roads were a vital physical infrastructure for the maintenace and development of the Roman State.
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Steam locomotives were first developed in the United Kingdom during the early 19th century and used for railway transport until the middle of the 20th century.
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A computer is a machine that can be instructed to carry out sequeces of arthmetic or logical operations automatically via computer programming.