A crane is a mechanical device used for lifting and moving heavy objects, typically employing a system of ropes, pulleys, and levers. In ancient Greek and Roman cities, cranes played a critical role in urban crafts and industries by enabling the construction and transportation of large materials such as stone and timber, which were essential for building monumental structures. The development and use of cranes reflect advancements in engineering and technology during this era, showcasing the ingenuity and practicality of urban builders.
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